Suppose -8 = -2*i + 5*a, 13*i - 8*i + 3*a - 20 = 0. Solve 9*k = i*k - 25 for k.

Let s = 142 + -140. Solve s*b = b for b.

0

Suppose 0 = 5*b - 5*i - 0*i - 60, 0 = 5*b + 3*i - 36. Let q be (-10)/3*b/(-6). Solve q*l + 17 = 42 for l.

5

Suppose -3*v - 11 = -8*v - 4*q, 2*q = 5*v - 17. Suppose -2*i + 8 = -3*a, -4*i - 5*a - 30 = -9*i. Let n = i - 6. Solve -1 - v = n*j for j.

-1

Let o = 12 + -7. Let x = -8 + 18. Let s = x - 6. Solve -s = -3*a + o for a.

3

Let j(w) be the first derivative of -w³⁄₆ + 3*w2 + w - 1. Let i(z) be the first derivative of j(z). Let m be i(3). Solve -m = 2*f + 3 for f.

-3

Let l = 2 - 2. Suppose l = d - 3*d. Solve m + d*m - 3 = 0 for m.

3

Suppose 3*m + 0*m - 21 = 0. Let x© = -m*c3 + 12*c + 6*c3 - 8 - 4*c2 + 14*c2. Let u be x(11). Solve 7*q - 8 = u*q for q.

2

Let c be (-308)/(-7)*(-14)/(-4). Let i = 110 - c. Let r be ⁴⁄₂₂ + (-256)/i. Solve 5*w = -r + 21 for w.

3

Let x(y) = -7*y - 11. Let a be x(-4). Let b be 13 + 0/1 + -1. Let z = b + -7. Solve -z + a = -4*q for q.

-3

Suppose -2*s + 2 = 3*n, n - 19 = 3*s - 0. Solve -p = -n*p + 9 for p.

3