Suppose 81 = -12*u + 15*u. Solve 5*y - 2 + u = 0 for y.

-5

Let f(x) = 14*x2 + x - 2. Let w(a) = 5*a2 - 1. Let m(b) = -6*f(b) + 17*w(b). Let p be m(8). Solve -2*s + p = 1 for s.

5

Suppose -3*w + 2*w + 2 = 0. Solve -m - 2 = w for m.

-4

Let u(b) = b3 + 3*b2 - 4*b + 7. Let y be u(-4). Solve 0 = -y*a + 2*a + 5 for a.

1

Let t = -9 - -12. Suppose 17 = q + t*c, 22 = q - c + 5*c. Solve q*h + 2 - 4 = 0 for h.

1

Let m(a) = 2*a3 - 13*a2 + 8*a - 12. Let k be m(6). Solve k = p - 2*p for p.

0

Let c(q) = q3 - 4*q2 - 5. Let h be c(4). Let u be (135/(-12))/h*12. Suppose 3*j = -4*x + 27, 3*j = 3*x - 5*x + u. Solve -7 = 4*m + j for m.

-4

Let d be 1/(3⁄16) - (-10)/15. Solve 0 = -5*f + 3*f + d for f.

3

Suppose 5 = 5*z - 0*z. Solve m = -3 - z for m.

-4

Suppose -5*c = -3*y + 28, -2*y + 4*c = y - 23. Solve 0 = 3*i + 8 + y for i.

-3