Let l be -1*(-1 + 2 + -12). Solve -4 = -5*y + l for y.

Suppose 3*v = -5*x + 20, -5*v + 0*x + 2*x = -23. Solve 0 = -v*r + 3*r + 8 for r.

4

Suppose 6 + 14 = 5*a. Suppose -4*b - 2 = -2*f, -a*b - 19 + 8 = -5*f. Solve 4 = -5*t - b for t.

-1

Suppose -3*s = 3*t + 3, -2*s = 5*t + 1 + 1. Let o be (s + -1)/((-1)/2). Solve -o*c = -0 - 16 for c.

4

Suppose 4*j + 2*s - 7 = 7, 5*s = -15. Solve 0 = -j*q + 4*q for q.

0

Let c(g) = g3 + 5*g2 + 3*g + 1. Let o be c(-4). Solve -o*v = -4*v + 1 for v.

-1

Let q be ¹⁰⁄₆ + (-50)/30. Solve f - 3 + q = 0 for f.

3

Let g(l) = -l3 - 2*l2 - 1. Let s be g(-3). Solve 3*i - s = -i for i.

2

Let s(w) = -w**2 + 4*w - 3. Let m be s(3). Solve m = 5*i - 17 + 7 for i.

2

Let r be ((-16)/12)/(1/(-9)). Suppose 5*d + 13 = -r. Let x = -3 - d. Solve 0 = n + 2 + x for n.

-4

Let x(n) be the first derivative of n**²⁄₂ - 2*n - 4. Let f be x(4). Solve 6 + f = -4*s for s.

-2