Let w be 0 + 2*(-15)/(-10). Solve w*c = -c - 20 for c.

Let r(l) = -1 - 1 + 3 - l. Let i be r(3). Let f be (-3)/i*¹⁶⁄₁₂. Solve c = -0*c - f for c.

-2

Let y(d) be the first derivative of d⁴⁄₄ - 2*d3 + 5*d**²⁄₂ + 5*d + 6. Let m be y(5). Solve -2*s = -3*s - m for s.

-5

Let j = -13 - -14. Solve 0 = -d + j - 6 for d.

-5

Suppose 14*f - 158 + 18 = 0. Solve 3*h = 8*h + f for h.

-2

Let o(y) = -6*y - 12*y + 15 + 5*y + y**2. Let u be o(12). Solve 6*c - u*c = -6 for c.

-2

Let u = -12 - -20. Suppose -u = 3*i - 7*i. Solve i*x - 3*x = 0 for x.

0

Let q = -1 + 5. Suppose -a = q*a - 15. Solve 1 - a = 2*f for f.

-1

Suppose -1 = -g + 1. Suppose -v + g*v = 0. Solve -3*a + a = v for a.

0

Suppose 5*t + c + 3 = -74, -2*t - 35 = -c. Let q = t + 28. Suppose 4*u - 16 = -2*l - 2*l, l - 13 = -4*u. Solve q = z + u*z for z.

3

Let j be ⁷²⁄₅ - (-4)/(-10). Let v = j - 10. Solve -v*q = q + 25 for q.

-5