Suppose -12*z = -7*z - 25. Let u(t) = t**2 - 4*t + 1. Let j be u(4). Solve -z = -3*w + j for w.

2

Suppose 4*n = -2*k + 6, 3*k + 3*n + 7 = 16. Solve 1 = r + k for r.

-2

Let z(h) = -4*h2 - h + 3. Let f(j) = -j2 + j. Let q® = 5*f® - z®. Let n be q(5). Suppose 0 = -o + n + 1. Solve o = -2*t + 1 for t.

-1

Suppose -w + 4*c - 14 = -0*c, 3*c = 4*w + 17. Let z = w + 10. Let x be (3 - z/2)/(-1). Solve -7 - x = -2*f for f.

4

Let s = 4 + -8. Let a be s/(-16) + 7⁄4. Solve a*k - k = 2 for k.

2

Let p = 9 - 6. Suppose 0 = -p*y + 3. Solve 0*k - k = y for k.

-1

Let n(o) be the first derivative of -o3⁄3 + o2 - o - 2. Let g be n(1). Solve 0 = -g*f + 5*f for f.

0

Suppose -84 + 54 = -5*w. Solve z + 25 = w*z for z.

5

Suppose -2*s = -5*s. Solve -3*v = -s*v - 15 for v.

5

Suppose 3*y - 9 = 6*y. Let g = y + 6. Suppose -3 = -5*w + g*b + 7, -10 = -5*w + b. Solve 0 = w*k - 2 - 0 for k.

1