Let k(d) = 10*d - d**3 - d**2 - 2*d**2 + 12*d**2 + 3. Let u be k(10). Let l(t) = -t**3 - 7*t**2 + 10. Let h be l(-7). Solve r = u*r + h for r.

Suppose 0 = t - 2. Let n = 4 - t. Let c be ⁸⁄₁₂ + n/6. Solve -2*l - 7 = c for l.

-4

Let p be -3 - (⁴⁄₆)/((-4)/30). Solve -l = 2 + p for l.

-4

Suppose 20 = -4*a + 2*a - 4*i, -2*i = 10. Solve a = 5*g - g for g.

0

Let v(z) be the first derivative of -z⁴⁄₁₂ + 4*z³⁄₃ + z**²⁄₂ + z + 2. Let r(u) be the first derivative of v(u). Let q be r(8). Solve 0 = -3*h - 5 - q for h.

-2

Let x = 14 + -14. Suppose 0 = 3*p - l - 2*l, x = 3*p + l - 8. Solve p*b + 0*b - 4 = 0 for b.

2

Let l be (0/1)/(-1) - -20. Let i(j) = 2*j**2 - 12*j + 3. Let f be i(6). Solve -2*u - f*u = -l for u.

4

Suppose -3*o + b + 12 = 0, 3*o - 2*b + 5*b = 24. Solve -5*z - o = -20 for z.

3

Let j(i) = -i**2 + 3*i + 20. Let v be j(6). Solve b + v*b = 6 for b.

2

Let y be ((-4)/16)/((-3)/24). Solve 4*d = y*d - 10 for d.

-5

Suppose 2*z = -0*z. Suppose a + z = -1. Let b be (-36)/(-6) + -2 + a. Solve -3*k = -0*k + b for k.

-1