Let a(f) = -f3 + 6*f2 + 3*f - 15. Let y be a(6). Solve 0 = -y*r + 8*r for r.

0

Suppose 23 = 3*t - 4*y, -9*t + 4*t = y. Let l(d) = d**2 + d - 1. Let o be l(t). Let a(s) = -s + 5. Let u be a(5). Solve u = -5*v - 24 - o for v.

-5

Let n = 17 - 5. Solve -3 = -5*y + n for y.

3

Let t(h) = h3 + 3*h2 - 3*h + 1. Let c be t(-3). Solve -4*s + 2 = c for s.

-2

Suppose u - 10 = 4. Solve 5*a + u - 4 = 0 for a.

-2

Suppose -4*p = -k - 8, 20 = -0*k + 3*k - p. Solve -3*r = 1 + k for r.

-3

Suppose -40 + 58 = 6*z. Solve z*m + 5 = -2*m for m.

-1

Let y be (-2)/(-3) - 12⁄18. Suppose y = -7*z + 6*z + 4. Solve 20 = -4*m + z for m.

-4

Let k(u) = u**2 - 4*u - 77. Let b be k(11). Solve w = -b*w for w.

0

Suppose 14*r + 56 = 420. Solve r*y - 25*y = 3 for y.

3