Suppose -6*a = -2*a - 12. Suppose a*f - 3 = y, -2*f - 2*f = 5*y - 4. Solve f = d - 2 for d.

3

Let i = 10 - 8. Solve -6*u = -i*u for u.

0

Let j be ((-4)/(-6))/((-14)/(-21)). Let z(p) = -p3 + 3*p2 + 4*p + 3. Let k be z(4). Solve -k*a - 2 - j = 0 for a.

-1

Let n = 9 - -4. Solve -5*j + n + 7 = 0 for j.

4

Suppose -2*x + 3 - 7 = -2*s, -5*x = -s - 2. Solve 2*o + s = -o for o.

-1

Suppose 0 = 4*f - 3*f + 3. Let n be 2⁄15f-15. Solve 0 = -7*y + 5*y + n for y.

3

Let q© = -c2 - 5*c + 1. Let t be q(-4). Let b(s) = -s3 + 7*s**2 - 7*s + 1. Let h be b(t). Solve h = 4*o - 0*o for o.

4

Suppose -5*k + 0*k = -40. Solve 0 = 4*l + 4 + k for l.

-3

Let f = 18 - 9. Let r = 10 - 7. Let p = 8 - r. Solve 2*z - p*z = -f for z.

3

Suppose -g + 4*q = 13, 0 = -5*g + q - 4*q + 27. Suppose -i + 10 = 4*c, -i - 4 = -g*i. Let n = 1 - -3. Solve -c*h - 4 = -n*h for h.

2