Let p be (6/(-7))/(6/(-21)). Solve p*u - 5*u + 2 = 0 for u.

1

Suppose -3*z - 34 = -5*m, 17 = -4*z + 5. Solve 3*u + 2 = m for u.

1

Let k® = -2*r - 10. Let w = 12 - 19. Let h be k(w). Solve 4*v - 2*v = -h for v.

-2

Let i = -4 + 5. Let z be 3 + (-3)/i - -5. Solve 5*o = z + 5 for o.

2

Let i(f) be the first derivative of -1⁄3*f3 - 5⁄2*f2 - 1 - f. Let p be i(-4). Solve p*m + m = 0 for m.

0

Let o(g) = g3 - 7*g2 + 6*g + 3. Let w be o(6). Suppose w*z = z. Solve -r - 3*r - 20 = z for r.

-5

Suppose 131 + 81 = 4*k. Let n = k - 37. Let i(t) = 4*t**2 - t + 1. Let a be i(1). Solve a*u + 0 = n for u.

4

Let z = -6 - -9. Suppose z*q - q = -4*p + 64, -4*p = 4*q - 56. Suppose -p = -2*j + 42. Solve -10 = -5*b - j for b.

-4

Suppose -2*h = h - 15, 2*h = 5*v. Let g = 0 + 0. Suppose -v*f + 6*f = g. Solve f*i = -4*i + 16 for i.

4

Suppose 0 = -8*r - 7*r + 225. Solve -5*l + 10 + r = 0 for l.

5