 20. Solve -r = -2 + q for r.
1
Suppose -5 = -4*k + 7. Solve k*d + d = -8 for d.
-2
Let p be 4/(-3)*(-24)/16. Solve 2 = p*w - w for w.
2
Let s = 11 + -7. Suppose 3*x = -2*z + 4, 5*x - 8 = -s*z + 3*x. Solve -12 = -z*c - 4 for c.
4
Let b = -4 - 1. Let c be 19 + -1 + 7 + b. Suppose -c = -4*d + 2*z, -d = 4*d - z - 25. Solve 4 = -i + d for i.
1
Let h = 4 + -1. Suppose -l - 6 = -3. Let g = 7 + l. Solve -g + 1 = -h*j for j.
1
Let k(g) = g - 5. Let c be ((-9)/6)/((-2)/8). Let w be k(c). Let b = 5 - w. Solve -4*i + 20 - b = 0 for i.
4
Let a(c) = -2*c**2 - 3*c + 3. Let s(y) = 4*y**2 + 6*y - 7. Let w(p) = 13*a(p) + 6*s(p). Let b be w(-2). Let x be (-6)/15 + (-17)/b. Solve -x*q = 2*q - 20 for q.
4
Let f(r) = -r**3 - 2*r**2 + 2*r - 1. Let w be f(-3). Solve 0 = w*b + 1 + 9 for b.
-5
Let q(b) = -b**2 - 6*b + 10. Let i be q(-7). Suppose 6*l = 2*l + 8. Solve -4 - l = i*s for s.
-2
Let b be 15 + 3 + -2 + -4. Suppose 2*j + j = b. Suppose 3*t + j = 5*t. Solve 0 = -0*z + t*z - 4 for z.
2
Let y = -6 - -7. Suppose -i + 3 + y = 0. Solve -15 = i*o + 1 for o.
-4
Suppose 2*x + 0*x = 0. Let k = -2 - -6. Suppose -p - 17 = -k*i - 8, -2*i = 4*p - 18. Solve -3 = -x*b + i*b for b.
-1
Suppose -2*s = -s - 2. Let j(v) = v**2 + 5*v - 4. Let o be j(-5). Let m(n) = 2*n**2 + 5*n - 2. Let p be m(o). Solve -p = 2*f - s for f.
-4
Suppose 3*r - 9 = -3*h, 3*r = 2*h - r - 6. Suppose -h*k + 13 = 1. Solve -15 = -k*c + 5 for c.
5
Suppose -7*b = -b - 24. Solve 2*u + 0*u = b for u.
2
Let z(s) = 2*s + 2. Let b be z(2). Suppose 0 = -5*d + k + 34, 3*d - 3*k + 0*k = 30. Let v(n) = n**2 - 6*n + 5. Let f be v(d). Solve f*l + b = 1 for l.
-1
Suppose -3*x - 9 = -0*x. Let h = x + 4. Let b = 16 - h. Solve 2*p = -p + b for p.
5
Let i be (18/12)/((-3)/(-8)). Solve 3*w - 1 = -i for w.
-1
Suppose -3*q - 4*r - r + 11 = 0, 4*q = 4*r + 4. Suppose 5*s = s. Solve q*p + p + 6 = s for p.
-2
Let o = -9 + 12. Suppose 0*x - o*x = -6. Solve 5 = -s + x for s.
-3
Let u(z) = -z. Let h be u(-5). Solve -4 = h*j - 19 for j.
3
Let z = -15 - -9. Let n be (-2)/(-1)*z/(-4). Solve 0*w = -3*w - n for w.
-1
Let f = 2 + 1. Suppose 0*k - f*k + 12 = 0. Let i(a) = -a - 2. Let s be i(-8). Solve k + s = 5*l for l.
2
Let c(g) = g**2 - g. Let i be c(-1). Solve 0 = 6*k - i*k for k.
0
Let j(p) = p**3 + 7*p**2 + p - 3. Suppose 22 = -2*c + 2*z, -c = -9*z + 4*z + 27. Let s be j(c). Let k = s + 15. Solve -k*v - 2 = -7 for v.
1
Suppose -6*g = -3*g + 21. Let q = g + 12. Suppose q*h + 3*l - 132 = 0, 2*h + 2*h = 2*l + 88. Solve 5*j - 9 = -h for j.
-3
Let s(d) = -d**2 - 26*d + 15. Let j be s(-26). Solve j - 3 = -3*g for g.
-4
Let p be -6 + (3 + -2)*3. Let z be (-6)/(-4)*-2 + p. Let b = 7 + z. Solve 2*j - b = 5 for j.
3
Let b = -66 + 75. Suppose a = -2*a - 2*j + 15, 4*a - 4*j - 20 = 0. Solve a*w - b = -29 for w.
-4
Let c(g) = 3*g + 10. Let l(z) = -6*z - 21. Let f(s) = -9*c(s) - 4*l(s). Let v(i) = i**2 + 12*i + 7. Let b be v(-11). Let r be f(b). Solve a + r = -a for a.
-3
Suppose -2*n - 32 = 3*a, 0*a + 3*n + 18 = -2*a. Let i(w) = w**2 - 8*w + 4. Let d be i(7). Let q be ((-1)/(-2))/(d/a). Solve 0 = -5*v + 8 + q for v.
2
Let y = -39 - -54. Solve 5*q + 5 = -y for q.
-4
Let c = 8 + -5. Solve -3*n - c = 3 for n.
-2
Let r = -4 - -6. Suppose -2*l + 4 = 5*y + 2, -r*l + 2 = 4*y. Suppose 4*h - 3*t = 17, -2*h + t + 5 + 6 = y. Solve 0*w - h = -4*w for w.
2
Let h = 21 - 21. Solve h = 3*z - 5*z - 4 for z.
-2
Suppose 0 = -2*l - 3*t - 6 + 1, -3*l - 4*t - 5 = 0. Suppose 5*h + 6 = 2*w, -2*h = l*w - 0*w - 15. Let k = 36 - 21. Solve 2*o + k = -w*o for o.
-3
Let m(y) = -3*y - 15. Let k be m(-5). Solve -3*r + r = k for r.
0
Let j be (102/(-15))/((-3)/15). Let g = -18 + j. Solve -g = -x + 5*x for x.
-4
Suppose t - 20 = -3*t. Solve -t*o = -0*o for o.
0
Let w(g) be the first derivative of -g**4/4 - 7*g**3/3 + 7*g**2/2 - 3*g - 1. Let o be w(-8). Solve -2*d = 1 + o for d.
-3
Let t(x) = x - 4. Suppose -11 = -n + 3*k + 6, -n + 4*k + 20 = 0. Let v be t(n). Solve 4*i = -0*i - v for i.
-1
Suppose a - 38 = -0*a. Let h = a + -13. Solve q = 6*q + h for q.
-5
Suppose -2*y + 0*m - 3*m = -3, 5*m = 5. Let i = 1 + y. Solve 0 = -q - 0*q + i for q.
1
Let a = 13 + -10. Solve 1 = 2*p - a for p.
2
Suppose -2*d = 61 - 23. Let q = -16 - d. Solve -5*h = -2*h - q for h.
1
Suppose 4*x - 6 = -0*l - l, -5*x + 8 = l. Suppose b + 3 - x = -3*y, 0 = 4*y - b - 8. Solve y - 6 = 5*k for k.
-1
Let n be 2 + 2/(2 - 0). Let t(j) = -j**2 + 3*j + 2. Let i be t(n). Solve 3*u + i*u = -15 for u.
-3
Let l = -13 - -15. Solve -3*b = l*b - 10 for b.
2
Let j be -3 - (-3 + 3 - 3). Suppose 0 = -2*h - j + 6. Let p = 1 + h. Solve -i = -p*i + 15 for i.
5
Suppose -2*t - 18 + 7 = -u, 3*u - 6 = -3*t. Let h = t - -5. Let s = 73 + -61. Solve -o + s = h*o for o.
4
Suppose 6*v = v. Solve 2*g + v + 6 = 0 for g.
-3
Let y = 41 - 28. Let g = 21 - y. Solve -g*h + 4*h = 4 for h.
-1
Let l be 876/(-21) - 2/7. Let k be (l/7)/((-3)/2). Solve v = -0 - k for v.
-4
Let f(r) = r**2 + 3*r + 4. Let y(d) = -d**2 + 2*d + 3. Let i(p) = -p. Let t(c) = 2*i(c) - y(c). Let o be t(4). Let a be f(o). Solve k + 0*k - a = 0 for k.
4
Let q be (-1 - -2)/(-1) - -16. Suppose -4*o - q = 5*l, 4*l + 17 - 5 = -3*o. Suppose o*p = -p. Solve p = -x - x for x.
0
Suppose 8*w - 172 = -12. Solve -7*i + w = -3*i for i.
5
Suppose 3*o + 3 = 4*o. Let u(i) be the first derivative of i**3/3 + i**2/2 + 6*i - 3. Let q be u(0). Solve f - o*f = q for f.
-3
Suppose 0 = -o + 3*p - 2, 0*o - 6 = 3*o - p. Let g be (-45)/6*(-2)/3. Let h = o + g. Solve h = 2*t - 5*t for t.
-1
Let m be (-5)/(-2)*16/(-10). Let h be (14 + m)/((-1)/(-2)). Solve h = -3*s - 2*s for s.
-4
Suppose -2*n = n - 6. Solve -2*o = 6 + n for o.
-4
Let u(l) = l**3 + 5*l**2 - 8*l - 6. Let t be u(-6). Solve -b = b - t for b.
3
Let l(f) = -f**3 - 4*f**2 + 6*f + 7. Let k be l(-5). Solve r = k*r for r.
0
Suppose -4 = 3*f - 5*f. Let a(n) = -4*n - 4*n - 4 - n**2 + 1. Let i be a(-6). Solve i = -y - f*y for y.
-3
Suppose -v + 40 = -4*i - 5*v, 5*i + 3*v = -54. Let x(b) = b**3 - 4*b**2 + b - 1. Let p be x(3). Let n = p - i. Solve -5 = n*s - 0 for s.
-1
Suppose 5*a - 4*k = -3*k + 4, 0 = -a + 3*k + 12. Suppose a*b + 5*b - 20 = 0. Solve -b*r + r = -12 for r.
4
Suppose 4*p = 5*k - 25, 0*k - 3*k + 15 = -3*p. Suppose 4*w - 3*w = p. Suppose -a + w = -1. Solve -o + a - 5 = 0 for o.
-4
Suppose 9 + 7 = 2*s. Suppose 4 = -2*b + 2*j, 3*j - 5 - 13 = 5*b. Let n be 2/3 - s/b. Solve -x + 5 = n for x.
3
Let y be 234/24 - 3/4. Let h be (-8)/6*y/(-2). Solve -h = q + 2*q for q.
-2
Let i = 7 - 4. Let f = 2 + -1. Let z be 2/(-8) + f/4. Solve z*y = i*y - 12 for y.
4
Let t(i) = -i**2 - 6*i + 9. Let f be t(-7). Solve -f*r - 3 - 1 = 0 for r.
-2
Let o(g) = -g**3 - g**2 + 7*g + 7. Let q be o(-3). Solve 4*f = q - 12 for f.
-2
Let n(i) = i + 2. Let v(o) = -o**3 - 3*o**2 + 3*o - 2. Let f be v(-4). Let m be n(f). Solve 0 = -m*h + 4 - 8 for h.
-1
Suppose 0 = 4*g - 2*g + 2*g. Suppose n + 4*t = 12, -3*t + 0*t = 2*n - 19. Solve n = 4*p - g for p.
2
Suppose 4*m = -4*j + 18 + 2, 0 = 3*j + 4*m - 17. Suppose -1 + 13 = j*z. Solve -o = -0*o - z for o.
4
Let s be 177/9 + (-2)/(-6). Suppose -4*u - 4*y + 28 = -s, -2 = -y. Solve -2*r - u = 3*r for r.
-2
Suppose -2*i = -4 - 2. Suppose 14 = 4*o - 2*w, -6*o + o + 5*w = -10. Let g = o + 1. Solve -s - g = -i*s for s.
3
Suppose -5*a = -0*a + 3*h - 1, -4*h - 22 = -5*a. Solve 0 = 5*n - 22 + a for n.
4
Let i = -23 + 26. Solve 0 = i*g - 0 + 6 for g.
-2
Let v be 2/(-8) + (-34)/(-8). Let y be 1/v + 2/(-8). Solve 2*x - 8 = -y*x for x.
4
Suppose 0 = d - 2 - 0. Suppose -d*a + 5*a - 3 = 0. Let s be (3*a)/(1 + 0). Solve s*g = g for g.
0
Suppose 0 = -x + 3*p + 9, 2*p + 3*p + 25 = 5*x. Let w = 4 + x. Suppose -w*b = -3*g - 3*b + 7, g = 3*b - 1. Solve 15 - g = -5*l for l.
-2
Suppose -y + 5 + 4 = o, 0 = 2*o - 2*y + 2. Suppose -3*i + o*a + 2 = -6, 0 = -3*i - 5*a + 17. Let f = i + -4. Solve f = -s - s + 8 for s.
4
Let w(b) = -b**3 + 5*b**2 - 4. Let j be w(3). Solve j + 1 = -3*u for u.
-5
Let j(p) = 2*p - 3. Let t be j(-8). Let x = -19 - t. Solve 0*y - 5*y = x for y.
0
Let s = -58 + 63. Solve 4 - 24 = -s*w for w.
4
Let a be 5*3/(60/8). Suppose 3*i - 3*l = -0*i, a*l = 5*i - 15. Solve -i*w = -w + 12 for w.
-3
Suppose 3*b - 17 = -47. Let m be (-4)/10 - b/25. Solve m = -j - j for j.
0
Suppose 2*w - 9 = -z + 2*z, -z - 5 = 0. Solve 0 = -w*y - 11 + 5 for y.
-