Suppose s - s + s = 0. Solve s = 7*u - 3*u for u.

0

Suppose -5*y - 3*p - 120 = 0, 0*p - 109 = 4*y + 5*p. Let c = y + 26. Solve -3*v + 10 = -c for v.

5

Let i(q) be the second derivative of 3*q2 + 1⁄12*q4 + 5⁄6*q**3 + 0 + q. Let u be i(-4). Solve u*m + 1 = -5 for m.

-3

Let l(v) = -v + 16. Let n be l(16). Solve n = -5*r - 4 - 11 for r.

-3

Suppose 0 = -0*p + 6*p - 12. Solve -p*k = -k for k.

0

Suppose -4*d - 2*b = -0*d + 10, -6 = 5*d - 4*b. Let l be 2 - (3 - 3) - d. Let u = l - 4. Solve 0*a + 4*a + 20 = u for a.

-5

Let l = -4 + 7. Suppose -2*h + h - 11 = -4*n, -2 = -l*n + 2*h. Let m = 6 - -2. Solve m*k = n*k + 12 for k.

3

Suppose m - 6 = -3*a, -2 + 4 = -5*m + a. Suppose -8 + m = -2*k. Solve -4 + 0 = -k*v for v.

1

Suppose -o - f + 87 = o, 57 = 2*o - 5*f. Suppose -5*l + o = -19. Suppose p + p - l = 0. Solve n + p = 3 for n.

-3

Let f(y) = -y3 + 2*y2 + 3*y - 3. Let x be f(3). Let d = 3 + x. Suppose d = a - 6*a. Solve -w - w + 8 = a for w.

4