Let v = -12 - -18. Suppose -2*u - 12 = -4*r - 5*u, 2*r - 5*u = v. Solve 15 = -3*j + r for j.

Suppose 0 = 2*h + 2, 4*q + 0*h - 3*h = 23. Solve 3*a = 8*a - q for a.

1

Let y be ²³⁄₅ - (-32)/80. Solve y*g = -6 + 1 for g.

-1

Let j(b) be the second derivative of -b⁴⁄₁₂ - b³⁄₃ + 2*b. Let m be j(-5). Let r be ((-36)/m)/((-3)/(-10)). Solve 3*c - c + r = 0 for c.

-4

Let f® = r3 - 16*r2 + 2*r - 29. Let l be f(16). Solve 3*n = 2*n + l for n.

3

Let a be ((-4)/10)/(5/(-200)). Solve -a = b + 3*b for b.

-4

Let o be (-2)/5 + ⁵⁴⁄₁₀. Suppose -o*g + 10 = -4*f - f, 3*g - 2*f = 6. Solve i = 7 - g for i.

5

Let r = 3 - 3. Let a = r - -5. Suppose -a*o + 10*o = 35. Solve -v - o = -3 for v.

-4

Suppose 0 = 5*z - 4*j - 10, 2*j = -2*z + 12 + 10. Let p be 10/(²⁄₁) - -1. Solve -p*m + 3*m = -z for m.

2

Let q be (-2 - (-7)/5) + ⁷⁸⁄₃₀. Let w be (⁷²⁄₃)/3 - 1. Solve 1 - w = q*f for f.

-3

Suppose -z + 51 = 3*h - 6*z, -h = -z - 15. Solve 5*r - h = 3 for r.

3