Suppose -2*s = -4*s + 4. Solve 2*y = -s*y for y.

Let w(f) be the first derivative of f⁵⁄₂₀ - 5*f⁴⁄₆ + f**2 + f + 2. Let j® be the first derivative of w®. Let p be j(10). Solve -k = -2 - p for k.

4

Let l = 129 + -124. Solve -l*q + 18 = 43 for q.

-5

Suppose 0 = -2*d + d. Suppose d = -4*f - 2*t + 4, -4*f = -0*f - 3*t + 6. Solve 5*i + f = 20 for i.

4

Let l(t) = -t3 + 6*t2 + t - 3. Let b be l(6). Suppose -3*d = -10 - 2, 8 = -b*c + 5*d. Solve -10 = -c*o + 10 for o.

5

Let q be -13 + -1 - (-9)/3. Let t = 15 + q. Solve t = -3*x + 13 for x.

3

Suppose 1 + 13 = 2*m. Solve 18 = 5*i - m for i.

5

Suppose -4*r + 19 = -2*i - 1, 3*i = -4*r + 10. Suppose -r*y = -0*y. Solve 2*q - 5*q + 15 = y for q.

5

Let w = 10 + -8. Suppose -2*m + 16 = w*m, 15 = -s + 5*m. Solve -13 = -s*h + 12 for h.

5

Let s = -13 + 18. Suppose 4*x - 2*p = 30, s*x + 6*p - 30 = p. Suppose -19 = -5*i + 2*b, -i - x = -6*b + 2*b. Solve 0 = 4*r + i + 7 for r.

-3

Suppose a + 2*a = 0. Solve a = 5*s + 7 + 3 for s.

-2