21. Solve -k - 1 = 2*d, 1 = s*d - 4*d for k.
1
Let l = 553 - 549. Solve -3*t = 5*q + 2, -5 = l*q - 0*t - t for q.
-1
Let l = -9 + 12. Solve y - l*k = 2 + 12, -2*y = 3*k + 17 for y.
-1
Let k = -1004 - -1009. Solve u - 9 = -k*q, -3*q - 3 = -2*u - 11 for q.
2
Let j(o) = 2*o + 14 - 6 - 11 - o. Let v be (-24)/(-9)*1*3. Let y be j(v). Solve 3*a = 2*a + 2*z + 6, a = -y*z - 1 for a.
4
Let b be -4 - -3 - (18 - 3). Let n = b - -18. Solve -l = 3*v + n*l - 15, -16 = -5*v - 2*l for v.
2
Suppose -210 = -12*i + 2*i. Suppose 16*f + 10 = i*f. Solve -w = 2*h + 4, h - 2*w - f*w = 16 for h.
0
Suppose 0 = 2*d + 4, 2*h - 3*d - 27 = -81. Let m be ((-3)/(-2))/((-5)/h). Solve -5*a - 5*b - 8 = 7, -2*a - 5*b - m = 0 for a.
-2
Let h(x) = -x - 12. Let l be h(-14). Suppose -2*n - 13 = -f + 3*n, -n + 1 = -l*f. Let u be (-2 - (-2 + 2))/f. Solve -2*a + 4*a = -5*i - 16, -i = -a - u for i.
-2
Let y = 279 - 261. Solve 3*c = 3*f - 18, 5*c - y = -4*f - 3 for f.
5
Let j = 1019 + -1012. Solve -3*k - j = -3*o + 4*o, -3*o = 5*k + 13 for o.
-1
Suppose 3*n + 148 = -2*r - 2*n, 3*r + 172 = 5*n. Let d = 36 + r. Let h = -23 - d. Solve 0 = 4*v + 16, h*x + 0*x + 5*v + 40 = 0 for x.
-4
Let p(q) = 7*q**2 - 3*q + 1. Let s be p(-1). Solve a + 5*l + 32 = s, -a - l = 1 for a.
4
Let m be 62/10 - (-3)/(-15). Suppose 4*s - 3*s = -3. Let x be (-14)/s*6/7. Solve -m - 6 = -x*w - 4*z, 2*z - 16 = 3*w for w.
-2
Let s(w) = -w**3 - 7*w**2 + w + 10. Let u be s(-7). Suppose -85 = u*b - 28. Let a = b - -21. Solve -3*h - 4*d = h, -h - a*d + 4 = 0 for h.
-4
Suppose 0 = 9*v - 11*v + 4, 3*x + 5*v - 31 = 0. Solve 0 = -4*m - 5*o + 8, -3*m = 3*o + o - x for m.
-3
Let z be 0*(-8 + 34/4). Solve -4*b + n + 18 = z, 2*b + 2*n = -2*n + 18 for b.
5
Let i(r) = -2*r**2 + 2*r - 2. Let j = -10 + 11. Let l be i(j). Let v be 7 + -7 + (l - -4). Solve -2*x - 4 = -v*p, -4*x - 2*p + 0*p = 2 for x.
-1
Let k(m) = -3*m + 10. Let a be k(3). Let g(q) = 8*q**3 + q**2 - 1. Let o be g(a). Solve 2*j - 6 = -4*s, 0 = -3*s + s + o for j.
-5
Let s = 1022 - 1020. Let n be (-27)/(-6) - 1/2. Solve 9*z - n*z = 3*a - 10, -s*z = -5*a - 15 for a.
-5
Let f(b) = b**2 + 3*b**2 - 2 + 3. Let g(y) = 2*y - 3. Let s be g(2). Let h be f(s). Solve 5*x + 3*m = h, -2*x + 4*m + 36 = 2*x for x.
4
Let v be (6 - (-2)/(-2))/((-19)/228). Let m = 79 + v. Solve 4*g - n + 0*n = m, 3*n = 5*g - 22 for g.
5
Let p be 1 + -4 + 0 + -9. Let w(n) = -n - 9. Let x be w(p). Solve 15 = x*f, -3 - 3 = -q - f for q.
1
Let k(v) = -5*v - 23. Let x be k(12). Let h = -78 - x. Solve h*c + 5*z = -25, -4*c - 2*z = -1 + 11 for c.
0
Let g = -19 + 93. Let h = g + -72. Solve -5*c = -3*c - 2*q + 4, 0 = c + h*q - 1 for c.
-1
Let j(i) = -i**3 - 20*i**2 - i - 14. Let w be j(-20). Solve 2*u = 8, -19 = p - w*p - u for p.
3
Suppose 3*o - 10 = -z + 10, 5*o = 5*z. Let j be 1 + 9 + (5 - o). Suppose -4*q + j + 2 = 0. Solve -3*r = -5*n - 5 + 3, -3*r = q*n + 6 for n.
-1
Suppose -3*z + 2*z - 4*a + 4 = 0, -2*z + 2*a = 12. Let u(x) = x**3 - 4*x**2 + x - 5. Let v be u(4). Let s = v - z. Solve -w = -3*l, -w - 10 = -4*l - s*w for l.
1
Let v(k) = -2*k**2 + 19*k - 9. Let r be v(9). Solve u + 1 = r, -2*h - 2*u - 5 = -1 for h.
-1
Let j(m) = -5*m**3 - 4*m**2 + 6. Let i(n) = 9*n**3 + 7*n**2 - 11. Let l(s) = -4*i(s) - 7*j(s). Let w be l(0). Solve -4 = 5*v - 2*d, v + v - w = -d for v.
0
Let u(z) = z**2 - 4*z + 1. Let m be u(4). Let c = -65 - -70. Solve -5*d - x + m = -c, 6 = 3*d + 3*x for d.
1
Let t(m) = -m**2 - 14*m - 33. Let r be t(-11). Suppose 4*k - 3*k - 10 = 0. Suppose -6*a + k*a = r. Solve -h - 2 = -o, -2*o - 16 = 2*h - a*o for h.
-5
Let g = -97 + 100. Let a = 9 + -3. Let o be a - 3 - (-1 - -2). Solve -g*i - o*i = -2*m + 7, 0 = -3*i - 4*m + 1 for i.
-1
Suppose -3*t + 4*t = 4. Let z(i) = -i**3 + i**2 + 32*i - 7. Let u be z(6). Solve r = -3*r + t*k + 24, k = u*r - 22 for r.
4
Let g = 198 - 194. Solve 3*h - 9 = -2*x, -5*h + g*x + 30 = -7 for h.
5
Suppose 17*y - 14*y + d - 2 = 0, 2*y + 8 = -3*d. Solve 3*a + l = 7, -y*l - 11 = a + l for a.
4
Let l be (-4)/10 - 10/(-25). Suppose l = 4*p + y - 18, -2*p = 6*y - y - 18. Solve -7 - 25 = p*a - 4*b, 5*a = -2*b - 5 for a.
-3
Let s be (-38)/(-57) + (-8)/(-6). Solve 3*c + 3 = s*p + 2, 11 = -3*c + 4*p for c.
3
Let w = -93 - -93. Solve -3*v - 12 = -o, w = o + 5*v + 14 + 6 for o.
0
Suppose 3 - 18 = -3*b. Let u(j) = j**3 - 4*j**2 + 8*j - 4. Let m be u(2). Solve 3*f = -m*z + 20, b*z - 8*f + 10 = -3*f for z.
2
Let n(d) = 0 - 4 - d - 1. Let k be n(-5). Let z(x) = -x**3 - 30*x**2 + 66*x + 66. Let j be z(-32). Solve -t + 12 = j*h, k*t = 5*t - 20 for h.
4
Let r = 294 + -292. Solve -r*p + 3 = -3*z + 4, -2*p + 5*z = -1 for p.
-2
Let o(w) = w + 4. Let i be o(6). Suppose 13 = y - q, -y - q + 2 = -1. Solve 2*u + 2*k - i = 0, 0 = u + 3*u - 3*k + y for u.
1
Let j = -2410 + 2412. Let c(o) = 3*o + 1. Let z be c(1). Solve 2*g - 4 = 2*r, -2*g = -z*r - 4 + j for g.
3
Let w(x) = -x**3 + 5*x**2 + 37*x - 5. Let l(r) = 8*r**3 + 2*r**2 - 4*r + 3. Let p be l(1). Let m be w(p). Solve -3*t - t - 2*j - m = 0, -t = j for t.
-2
Let u(m) = -m + 14. Let y(b) = -b**3 + 20*b**2 - b + 29. Let x be y(20). Let n be u(x). Solve -4*s - 4*g = -7*s - 2, -n*g - 3 = -s for s.
-2
Let r(o) = o**2 + 8*o - 6. Let i be (-130)/6 + (-4)/12. Let x = i + 13. Let m be r(x). Solve 5*a - 27 = -m*n, 0*n + 14 = 5*n - 2*a for n.
4
Suppose 4 = -4*u + 6*u. Suppose -4 = u*y + 2. Let n be (-1 - (1 + y))/1. Solve x = -4*x - 15, 0 = -4*a + 3*x + n for a.
-2
Suppose -i = -0*i. Suppose 10 = -5*g + 4*t, i = g + 5*t + 1 - 28. Solve 2*j + 12 = -2*l, g*l - l + 2 = 3*j for l.
-5
Suppose 5*g + 2*u - 49 = 0, 2*g + 4*u - 35 = -g. Let q = 3 + 1. Let n = -89 - -92. Solve -n*y - g = -y + m, q*y + 5*m = -15 for y.
-5
Let h(b) = b**2 + 6*b + 3. Let v be h(-6). Let f = 2 + v. Let m be (-3080)/(-210)*18/8. Solve -4*t + m = 8*r - 3*r, -f*t = -2*r for t.
2
Suppose 5*f = -5*o, 2*f = o + o. Solve 7*u - 2*u - l + 12 = f, -12 = 4*l for u.
-3
Let q = 200 + 26. Suppose r - 4*x - 57 - 68 = 0, 2*r = -4*x + q. Let g be ((-4)/6)/((-6)/r). Solve 3*f - 4*k = 2*f - 3, -3*f = -k - g for f.
5
Let k be -40*(-3 - 5/(-2)). Suppose 0 = 5*z - 117 + 2. Solve 0*m + 2*r = -5*m - z, k = -5*m - 5*r for m.
-5
Let l(t) = 0 - 7 + t + 2 - 3. Let g be l(11). Solve -4*w = 4*a - 40, -a - 4*a - g*w + 40 = 0 for a.
5
Let y = -103 + 131. Suppose 6*l - 2*l + 4 = 0, -c - 2*l = -2. Suppose y = c*v + 8. Solve -4*h + i = -v*h + 1, 0 = h - 5*i + 5 for h.
0
Let y be (-2)/2 + -1 + 6. Suppose -2*j + k + 51 = 0, -j + 0*k = k - 21. Let x = 135 + -131. Solve -y*u - j = -2*c, -3*c = -x*u - u - 32 for c.
4
Suppose -4 = -x - 1. Suppose 5*s + 2*f = 189, x*f = s + 2*s - 105. Let g = s + -27. Solve 4*l = 4*z - 12, -z - 2*z + 4*l + g = 0 for z.
2
Let w = -7 - -23. Suppose -3 = 3*g + 2*j, 0*g = -g + 5*j + w. Suppose -g = q, -4*s + 4 = -q - 9. Solve -a + s*n = -4*a - 3, 3*n = -12 for a.
3
Suppose -3*q + 75 = -5*j, 2*q + 4*j = 2*j + 34. Let v = 14 + -20. Let p = q + v. Solve -2*m - 6 = -a, 2*a + 2*m - 2 = -p for a.
-2
Let n = -91 - -89. Let y be (-2 - (-11 + 5)) + (-8)/n. Solve 5*s + y + 3 = 4*f, 4*f - 15 = s for f.
4
Let i(f) = -f + 2. Let l(o) = -o**2 - 9*o - 6. Let g be l(-8). Suppose -2*a = g*a. Let z be i(a). Solve 8 = -4*k, 0*r - r + z*k = -3 for r.
-1
Let q = 30 + -26. Suppose -q*d = 2*d. Solve d = -3*p + 6, r - p - 5 = -4*p for r.
-1
Let l = 3 - 9. Let q be (-3)/2*l/9. Let o be 0/(2 - q) - -2. Solve 18 = -4*t + o*d, 0 = 3*t - t + 5*d - 9 for t.
-3
Suppose 6*m - 2*f = 5*m - 6, 5*m = 4*f. Solve 4*s + 5*x = -0*s + 7, m*s + x = 11 for s.
3
Let k be 2*9/(-24)*-4. Let v = 49 - 46. Suppose 3*y - v - 1 = -t, y + k*t = -12. Solve -12 = -3*n - 5*d, y*n + 2*n - d + 8 = 0 for n.
-1
Suppose -7*d + 182 = -0*d. Let a = 58 - d. Solve -4*p + 3*q = a, 5*p + 4*q = 2*p + 1 for p.
-5
Let w(q) = -18*q - 807. Let u be w(-45). Let o = -2 - -4. Solve -22 = -4*v + o*z, -2*v - 3*v + u*z + 28 = 0 for v.
5
Suppose c + 19 = 3*t, -2*c + 7*c = -2*t + 7. Suppose 2*j + 20 = t*j. Suppose 0*v + 15 = j*v. Solve v*o = -k - 16, 0*k + 20 = -3*o - 5*k for o.
-5
Suppose -u = 4*s + 4, 2*u - 5 = -3*u + 5*s. Solve u = -5*t - 2*q + 10, 2*q = -8*t + 7*t - 6 for t.
4
Let c(u) = 2*u - 17. Let v(p) = -p**2 - p + 17. Let n(w) = -4*c(w) - 5*v(w). Let r be n(-3). Solve 0 = 5*y + 3*i + r, 4*y + 4*i + 17 = -19 for y.
-5
Suppose 10*o - 83 = 77. Solve -5*g = -3*r + r +