Suppose 9*w - 4*w = 20. Solve w*r = r for r.

Let x be 4/(-14) + (-256)/(-14). Suppose 4*q - x = 3*q. Let p = q - 12. Solve -h = h - p for h.

3

Let i = 1 - -1. Solve -i = 5*x + 23 for x.

-5

Let t be 1/((-1)/(-18)*3). Let b be t + -4 - (-2)/(-1). Solve 0 = -b*v + 3*v - 15 for v.

5

Suppose -3*x - 5*q = -3*q - 41, 2*q = 2. Solve 4*j - 7 - x = 0 for j.

5

Let d(k) be the second derivative of k⁴⁄₆ - k³⁄₂ + 3*k²⁄₂ - k. Let q(w) = 2*w3. Let l be q(1). Let n be d(l). Solve 0*b + n = -b for b.

-5

Suppose -5*h - 3*d - 190 = -0*d, 4*d - 50 = 2*h. Let s = -6 - h. Suppose -n + 3 = 3*r - 16, -4*r = 5*n - s. Solve -2*c = -r - 4 for c.

5

Suppose 4*q + 9 - 25 = r, q - 4 = -r. Solve r = -5*f - 0*f - 10 for f.

-2

Let p = 55 + -88. Let k = p + 18. Let x be ⁵²⁄₅ - (-6)/k. Solve -z - z = -x for z.

5

Let t(k) = -k - 3. Suppose 7*r + 2*u = 3*r - 12, -u = 0. Let s be t®. Solve 4*x + 0*x = s for x.

0

Let x(a) = 3*a + 48. Let p be x(-16). Solve p = 2*b - b for b.

0