Let t = 5 - 1. Solve -g + 12 = -t*g for g.

-4

Suppose 12 = -3*a - a, 4*a = -5*y - 12. Solve 0 = -y*f + 5*f + 20 for f.

-4

Suppose 2 = 4*o - 6. Let n(k) = -k3 - 5*k2 + 8*k + 9. Let f be n(-6). Let r = -3 - f. Solve o*g + g - 15 = r for g.

5

Suppose 8 = 4*b - 8. Suppose -a + 7 = -2*c, 7 = a - c - 0. Solve b*i = -a - 13 for i.

-5

Let x be 17⁄2 + -1 - (-12)/(-8). Solve 0 = -3*i - 0 - x for i.

-2

Suppose 2*k - 20 = 7*k - 5*q, -q = -5. Solve -s + 5 = k for s.

4

Suppose -5 = -4*x - 3*n + 4*n, -2*n - 4 = -5*x. Suppose x*g - 8 = -2, -y + 5*g = 12. Solve 0*r = y*r - 15 for r.

5

Suppose -4*m = -z - 2, -3*m + 2*z - 1 + 0 = 0. Solve u - 3 = m for u.

4

Let i(n) = n**2 + n + 1. Let t be i(-2). Solve 8*h - t*h - 25 = 0 for h.

5

Suppose -c + 16 = 4*l, 0 = 4*l - 7*c + 4c. Let q be -2(-4)/3*l. Solve -5*r = q + 7 for r.

-3