Suppose 0*y + 2*y = s - 7, -y - 26 = -5*s. Solve s*x - 28 + 8 = 0 for x.

Suppose 4*d - d = 78. Suppose 9 = 5*a - d. Solve -2*j = -a + 1 for j.

3

Let r(v) = v**2 - 6*v. Let g = -2 + 9. Let z be r(g). Solve z*d - 3*d = 16 for d.

4

Suppose 0 = -5*q + 2*u + 16, -q + 4*u + 0 = -14. Suppose 2*o - 4 - q = 0. Let s = 3 - o. Solve 0*k + k + 1 = s for k.

-1

Suppose -3*v + 5*k + 10 = 4*k, -12 = -2*v - 2*k. Suppose r = -v*r. Suppose -2*j = -2*s + 38, 2*s + 3*j - 10 = 8. Solve 5*n - s = -r*n for n.

3

Suppose -3*j = j - 5*r - 22, 4*r + 11 = j. Let y = 3 - j. Let n(v) = -v - 1. Let i be n(-7). Solve -4*h + 6*h + i = y for h.

-3

Let w = -4 - -6. Let y(o) = o**2 - 4*o + 6. Let x be y(5). Suppose 2*z - 4 = -w*d, -5*d - x = -3*z - 45. Solve c - 4 = d*c for c.

-1

Let q(o) be the first derivative of -o⁴⁄₁₂ + o³⁄₂ + 5*o**²⁄₂ - 2*o + 2. Let f(u) be the first derivative of q(u). Let j be f(4). Solve 4*x + j = -19 for x.

-5

Suppose -d - 3*o + 3 = 0, -4*o = -9*o. Suppose -2*c - 4*i = 0, -d*c + 5*c - 3*i = 7. Solve -25 = c*y + 3*y for y.

-5

Let p be 10/(-3)*¹²⁄₁₀. Let a be (6/(-18))/((-2)/12). Let r be ⁶⁄₄ - a/p. Solve -r*b - 8 = 2*b for b.

-2

Suppose -h = -0*h - 3. Suppose h*o + o - 16 = 2*j, -3*o = -2*j - 12. Suppose j = -5*i + 26 + 4. Solve 2*x - 4 = i*x for x.

-1