 21. Suppose -d*a + 9 = 4*p, -2*p + 0*p = 8. Suppose a*r - 10 = 5*l, -4*l - 4*r = -8 - 16. Solve 3 + 3 = -l*z for z.
-3
Suppose -3*b - 5*x = -214, x = -b + 3*x + 53. Let p be -1*5*b/(-35). Let w(q) = q**2 - 9*q + 2. Let z be w(p). Solve y + y = z for y.
1
Let o(d) = 3*d - 3*d + 4*d - 7 + d**2. Let c be o(-5). Let u be (c - 2)*3/(-2). Solve -3*i - u = -18 for i.
4
Let z = 41 + -37. Solve o + z = 3*o for o.
2
Suppose w + 2 = 2. Solve 4 = h - w*h for h.
4
Suppose 0 = 3*v - 2*n - 11, 0 = v - 4*n - 5 - 2. Let y be -3 + -5 + v + 8. Solve -p = -y*p + 4 for p.
2
Suppose -5*a - 5*l - 10 = 0, -2*l = -4*a - l + 2. Solve a = 4*q - 3*q for q.
0
Suppose n + n - 10 = 0. Let p be (2 + -1 - -2) + -1. Solve 4*z - n*z = p for z.
-2
Suppose -3*j + 30 = -0*j. Let q = 13 - 8. Suppose q*s + 0*l + 4*l = -1, 4*s - 2*l = 20. Solve 0 = -s*v + v + j for v.
5
Let q(v) = v**2 - 18*v - 10. Let u be q(19). Solve u = -5*f + 29 for f.
4
Let l be 14/8 - 1/(-4). Let s be 46/14 - l/7. Suppose s*q - 3*k = 39, -10 = -4*k + 6*k. Solve -3*j = j - q for j.
2
Let s(h) = h**2 + 10*h + 7. Let t be s(-9). Let i = t + 5. Solve x + i = 2*x for x.
3
Let v be 3/5 + 24/10. Suppose -25 = -2*b - v*b. Solve 2*q = b*q + 15 for q.
-5
Let i(n) = -2*n**3 + 4*n**2 + 4*n + 2. Suppose -d + 1 = 3. Let j be i(d). Let g(b) = -b + 1. Let o be g(-5). Solve -5*r + j = o for r.
4
Let r(g) = g**2 - 20*g + 66. Let a be r(16). Solve 0 = -a*y - 4 for y.
-2
Suppose 2*u - 5*u + 42 = 0. Suppose -3*o + 22 = -o. Suppose 5*q - u = o. Solve 1 + q = -2*g for g.
-3
Let r(s) = -s**2 + 7*s - 10. Let b be r(5). Solve -2*a + b*a = 4 for a.
-2
Let g = 5 + -1. Suppose -g - 8 = -4*h. Solve -y = -1 - h for y.
4
Let b(n) = n**2 + 10*n + 29. Let p be b(-5). Solve -x + 3*x = p for x.
2
Let r(l) = l**2 - 10*l + 21. Let x be r(9). Solve x + 3 = 5*y for y.
3
Let c be (-2)/(3/1 + -1). Let h = c + 3. Solve 0 = h*a + 2*a - 12 for a.
3
Let b = 9 + -8. Solve 4 = 5*y - b for y.
1
Let k(u) = -u**3 - u**2 - 1. Let r be k(-2). Suppose r + 1 = v. Solve y - v = 5*y for y.
-1
Let r(m) be the first derivative of m**2/2 - 4*m + 1. Let x = -20 + 27. Let k be r(x). Solve a + k = -0 for a.
-3
Let f(c) = c**3 - 8*c**2 + 7*c. Let u = -9 + 16. Let t be f(u). Suppose 0 = -4*m + 20 - t. Solve 4*r = m + 3 for r.
2
Let f be 0/(4*4/16). Solve 9*s - 4*s = f for s.
0
Suppose 4*y + 0*y = -3*g + 18, -2*y - 18 = -3*g. Solve -n = -g*n + 15 for n.
3
Let o(k) = k**2 - 4*k + 3. Let y be o(4). Solve q = -y*q + 8 for q.
2
Let l(q) = q - 5. Let k be l(5). Let r be (k/1)/((-4)/4). Solve r = -3*t + t for t.
0
Suppose 5*x = -2*v - 111, 4*v + 9 = -3*x - 52. Let q = 25 + x. Solve 3*i - 5*i - q = 0 for i.
-1
Let u(x) = x**2 - 16*x + 33. Let j be u(14). Solve 0 = -j*d + 3*d for d.
0
Suppose 2*k + 2*b = k - 8, 0 = 4*k + 4*b + 12. Solve -k*z - 3 - 1 = 0 for z.
-2
Suppose -5*k = 2*q + 1, 4*k + 5 = -k. Solve q*z - 3 + 1 = 0 for z.
1
Let w be (-6)/(-8) - 210/24. Suppose -2*k = -5*v - 24, 3*k - k = -v. Let o = v - w. Solve -o*z - 2 - 2 = 0 for z.
-1
Suppose -2*m - 75 = -5*b - 21, b - 21 = -3*m. Solve 3*g + 0*g = -b for g.
-4
Let w = 0 - 3. Let v be (-3 + (-12)/w)*3. Solve -v = 2*n - 1 for n.
-1
Suppose n + 2 = 0, f + n + 4 = -4. Let k be (-1)/f + (-4)/24. Solve -3*l - l = k for l.
0
Suppose -15 = -6*k + k. Suppose 0*y - 8 = -4*y. Solve y*c + k = -c for c.
-1
Let g(s) = -s - 4. Let b be g(-4). Let h = 80 + -77. Solve x - h*x + 8 = b for x.
4
Let k be (1 - 2)/((-4)/(-68)). Let p = -15 - k. Solve p*n + 2*n = 4 for n.
1
Suppose 0 = 3*q - 6*q + 36. Suppose 3*s = -0*s + 6. Solve c + s*c = -q for c.
-4
Suppose f = t + 1, t + 2*f = -f + 19. Let r be (-2)/t*(-7 - -5). Suppose 0 = -3*g - 1 + 10. Solve r = -o - g for o.
-4
Let z be 5 + 6*5/(-10). Solve -z*a = -14 + 6 for a.
4
Let x(y) be the third derivative of y**4/24 - y**3 - 5*y**2. Let d be x(6). Solve d = -2*m - 2 - 2 for m.
-2
Suppose y - 8 + 1 = 0. Suppose -w + 14 = 4*q, q - y = -0*w - 2*w. Solve -q*c = -0 - 3 for c.
1
Let b = 8 + -5. Solve -2*z = z + b for z.
-1
Let v be 0/(-1 - 3) + -78. Let a be v/(-21) + (-4)/(-14). Solve 6*w - a*w + 4 = 0 for w.
-2
Suppose 82 - 272 = -19*b. Solve 10 + b = -5*v for v.
-4
Let r(x) = 5*x**2 + x + 5. Let s(n) = 6*n**2 + 2*n + 6. Let k(w) = 4*r(w) - 3*s(w). Let a be k(2). Solve 2*j + 4 = -a for j.
-5
Suppose -42*b - 25 = -47*b. Let d be (-2)/4*0 + 2. Solve d = -b*c - 18 for c.
-4
Let j(z) = z**3 + 8*z**2 - 2*z - 6. Let i be j(-8). Solve i = -l - 4*l for l.
-2
Suppose -4*i + 1 = -3. Let q be 0*(22/(-26) + (-56)/364). Solve q + i = u for u.
1
Let k be -2 + 3/((-6)/(-8)). Solve q + 0*q = -k for q.
-2
Let g be (10/(-14) - 8/28)*-13. Solve -5*a - 38 + g = 0 for a.
-5
Suppose -8*k - 5 = -5. Solve k = t - 0 + 4 for t.
-4
Let f be (5/(-4))/(3/(-48)). Let x be 12/(-10)*f/(-3). Suppose 2*s + 4*j - 107 + 87 = 0, -4*j + 20 = -3*s. Solve s = -g - 3*g + x for g.
2
Let x(t) = 3*t - 4. Let b be x(3). Let f = b - 3. Solve 0 = 4*j - f*j + 10 for j.
-5
Let w be 3 + 1 + -2 + 1. Suppose -3*g + 2*x + 4 = -4, -w*g = -x - 13. Solve -d - g = 2*d for d.
-2
Let q be 4/(-20) + (-3)/(-15). Solve 3*n - 5*n = q for n.
0
Let q = -1 + 3. Suppose 5*a = -10 - 5. Let n be 18/(-8)*8/a. Solve -4*u = -q - n for u.
2
Let t(p) be the third derivative of -13*p**6/120 + p**5/60 - p**4/24 - p**3/6 + 2*p**2. Let y = -3 - -2. Let b be t(y). Solve -2 = -4*m - b for m.
-3
Let o = 19 - 17. Let d be 1/(o/(-4)) + 7. Solve -w - 1 = -d for w.
4
Let x be (-1)/(-2) - 7/(-2). Let n(i) = -i**3 + 2*i**2 + 3*i + 2. Let s be n(-1). Suppose -3*y - 2*t + 9 = s, x*y - 5*t = 40. Solve -2 = y*b - 3*b for b.
-1
Suppose -3*u - 11 = -5*a + 5, 0 = 5*u + 10. Solve a*g - 20 = -2*g for g.
5
Let u(n) = 3*n**2 + 0*n - n**3 - 2*n + 2 + n**2. Let k be u(2). Suppose k*s - s - 10 = 0. Solve -s*r = r for r.
0
Let s = 53 - 37. Suppose 0*j - 24 = 3*j. Let c = s + j. Solve 0*u + 4*u + c = 0 for u.
-2
Suppose -5*j + 12 = -j. Suppose -13 = -j*u + 2*u. Let q = u + 3. Solve 2*c + 2*c - q = 0 for c.
4
Let h(b) = b**3 - b**2. Let z be h(1). Suppose -r = r - 40. Solve z = 4*x - 9*x + r for x.
4
Suppose -2*y = 3*c - 2, -4*c - 3*y - 2 + 5 = 0. Solve c = l + 2*l + 15 for l.
-5
Suppose -c = -6*c - u + 140, 2*c - 56 = -3*u. Solve 0 = -4*y + c - 8 for y.
5
Let r(f) = f**3 - 7*f**2 + 6*f + 7. Let q be r(5). Let l be -1 - q - (-1 + 3). Solve -h - l = h for h.
-5
Let k be 1*(-1 + 1 + 0). Let y = 3 - k. Solve -y = -0*n - n for n.
3
Suppose -5*j = 7 + 13, -5*f = 4*j + 1. Solve 12 = 5*s - f for s.
3
Let n(k) = k**3 + 5*k**2 - 3. Let a be n(-5). Let b be 9/a + 2 + 1. Solve b*t = t for t.
0
Let o be 5*(1 - -4 - 3). Solve l + l = o for l.
5
Let l = -13 + 24. Let n(r) = -r**2 + 11*r + 2. Let s be n(l). Solve 0 = s*u - 5 + 1 for u.
2
Suppose 4*y + 5*s = 35, 3*y = 3*s + 5 + 1. Let w = 1 + y. Solve 3*a - 3 + w = 0 for a.
-1
Let r be 17/15 + 1 + (-102)/90. Solve 2*c + 3 - r = 0 for c.
-1
Suppose 2*x = 2*k + k - 9, -2*k - x + 6 = 0. Let l(q) = q**3 - 2*q**2 + 2*q + 2. Let g be l(2). Let c be 2/g + 8/3. Solve c*h + k = 6*h for h.
1
Let t be 2/(-5) + 171/15. Let a = t - 6. Solve -8 = -a*s + 3*s for s.
4
Let p = -2 + -1. Let l = 12 + p. Let s be -2 + -2 + l + -1. Solve 0 = y + s*y - 15 for y.
3
Let y(b) = b**2 - 14*b - 12. Let z be y(15). Suppose 0*f = 3*f + 204. Let t be (f/(-6))/(2/3). Solve 5*i + t = -z for i.
-4
Suppose -2*b + 6 + 14 = 0. Solve -b = -5*i + 5 for i.
3
Suppose -5*g - 10 = 2*r, 0*g = 5*r + 4*g + 8. Suppose l + 0*c + 4*c - 21 = r, 3*c - 15 = 0. Solve 0 = -4*f - l - 3 for f.
-1
Let z be 2*(3/6 - -1). Let i = 1 - -3. Suppose -4 = z*w + i*y, 4*w - 1 = w + y. Solve w = -0*g - 5*g for g.
0
Let w(g) = g**3 + 4*g**2 - 2*g + 2. Let m be w(-4). Suppose -5*p - 5 = -m*p. Suppose 5*n + 10 = 0, 3*u - 14 - p = -3*n. Solve -u*q = -2*q for q.
0
Let m(c) = c**2 - 25*c - 24. Let d be m(26). Solve -5*r = -d*r for r.
0
Let w be 8/(-3)*(-24)/8. Let r(u) = -4*u - 2. Let d be 21/(-9) - (-4)/(-6). Let s be r(d). Solve w*b = 3*b + s for b.
2
Suppose -3*o - 4 = -u, -4*u - o + 2 = o. Solve -4 + u = -a for a.
3
Let d = 15 - 10. Let s = -11 + d. Let i be s/3*(-1 + -3). Solve 4*j = 8*j + i for j.
-2
Suppose 18 = m + 2*m. Solve q = -q + m for q.
3
Let s be (10/4)/(3/6). Let v(t) = t**2 - 3*t - 7. Let q be v(s). Let o(j) = j - 2. Let z be o(6). Solve z + 8 = -q*g for g.
-4
Suppose -2*y - y = -11*y. Solve y = i + 1 + 1 for i.
-