Suppose -5*r - 4*c - 15 = 0, c - 21 = 4*r + 6*c. Solve -2*f - r = 9 for f.

-5

Suppose -5*a = -4*t + 11 + 5, 3*a + 20 = 5*t. Solve 1 = -l - a for l.

-1

Suppose -3 = -4*t + 13. Let d = 1 + t. Let w = -8 + 12. Solve w*o - 21 + d = 0 for o.

4

Suppose 0 = -7*j + 66 - 24. Solve -i = 2*i + j for i.

-2

Let n = -5 + 11. Suppose -6 = -n*d + 3*d. Solve d + 0 = m for m.

2

Suppose 0 = 14*s - 16*s + 10. Let d® = r**2 - 5*r + 2. Let j be d(s). Solve 4*t - 22 = -j for t.

5

Let a be (4 - (0 + 1)) + 2. Let t = 68 + -43. Let r = 22 + -22. Solve -a*h = -r*h - t for h.

5

Let x be 0 - 1/(-2)*0. Suppose -5*k + 9 = 2*b + 3, x = 5*k + b - 3. Solve 2*z - 4 = -k*z for z.

2

Let s(m) = -3*m - m**2 - 2*m + 3 - m. Let n be s(-6). Suppose -i = -0*d - d - 14, 4*d = n*i - 41. Solve i = v + 4*v for v.

3

Suppose 0 = -5*y + 2*h + 11, -2*h - h = -6. Suppose -5*t + y*t = -2. Suppose 25 - 10 = 5*z. Solve -t + z = 2*w for w.

1