Let v be (-4)/14 + (-15)/21. Let n be (-8)/8*v*12. Solve -4*j = -j + n for j.

Suppose -14 = -5*z + 6. Solve -r = r + z for r.

-2

Let j = 80 + -130. Let q = -33 - j. Suppose 3*v - q = 1. Solve -4*i + v = -7*i for i.

-2

Suppose -4 - 12 = -4*n. Suppose 31 - 7 = 4*y + 2*p, 0 = -n*p + 16. Solve s + y*s = -10 for s.

-2

Suppose 0*x + 4*o + 40 = 4*x, 4*x - 58 = -2*o. Suppose -j - 5*k - 15 = 0, -4 + x = j - 3*k. Let f be 1 + -1 + j + 2. Solve -f*y - y + 9 = 0 for y.

3

Let s be (-9 + 8)/((-1)/5). Let w(z) = -z - 3. Let c be w(-5). Let a = -2 + c. Solve s*r = -a*r for r.

0

Let j = -1 + 6. Suppose 5*l - 3 = -j*a + 37, -25 = -5*l. Solve -a*o + 20 = -7*o for o.

-5

Let o be (-1 + 5)*¹⁄₂. Let g be (-3 - (-5)/o)*0. Solve g*l + 4*l + 12 = 0 for l.

-3

Suppose -14*m = -18*m. Solve 0 = -m*w - 5*w - 15 for w.

-3

Let o(f) be the third derivative of -f⁶⁄₁₂₀ - f⁵⁄₁₂ + 7*f⁴⁄₂₄ + 3*f³⁄₂ - 2*f**2. Let z = 1 - 7. Let s be o(z). Solve 0 = -4*c + s - 11 for c.

-2

Let h be (10/(-3))/(42/(-63)). Solve -h - 3 = -4*m for m.

2