Let a = -36 + 31. Let s = 10 + a. Let i(x) = -x**3 + 7*x**2 - 6*x. Let c be i(6). Solve s*r + 8 + 7 = c for r.

Let q = 4 + -5. Let s be (4 - q)*¹⁶⁄₁₀. Solve 0*p - 2*p = -s for p.

4

Suppose -6*k + 2*k = -24. Solve 0 = -4*u + 2 - k for u.

-1

Suppose -20 = -4*f, -2*i = -3*i - 4*f + 20. Solve i = -h - 4*h for h.

0

Suppose 5*o - 7 = 3. Solve u - o = 2 for u.

4

Let l = -29 + 31. Solve l*f = 5*f - 9 for f.

3

Let k(z) = z3 + 8*z2 + 8*z - 4. Let h be k(-6). Solve 0 = -6*t + t + h for t.

4

Suppose -5*r = -0*r + 25. Let l = r - -8. Solve -2*d + l*d = -4 for d.

-4

Suppose -4*j + 7 + 1 = 0. Suppose 0*z - 8 = -j*z. Suppose z*g - 5 = -g. Solve -4*u + g - 13 = 0 for u.

-3

Suppose 2*d + 3 = 3*d. Let a be (-5 + 2)/(⁸⁄₁₀ - 1). Solve 0*z + a = d*z for z.

5

Let v® be the third derivative of 0*r - ¹⁄₃*r3 + ¹⁄₈*r4 + 0 - r**2. Let l be v(4). Solve 0 = 3*c - c + l for c.

-5