Let u be 40/16 + (-1)/2. Suppose -x + 20 = -5*y, -8*x + 8 = -3*x - u*y. Solve x = -4*h + h for h.

Let g(f) = -f**2 + 2*f + 2. Let r be g(2). Solve 0 = -r*n + n for n.

0

Let k be -2 + 13 - (1 - 2). Suppose -2 = 5*q - k. Solve -q*u - 5 = -u for u.

-5

Let o be 0 - -1 - (-2)/2. Suppose -5*g + o*i = 7*i - 35, -2*g + 16 = 3*i. Solve 3*j - g*j - 10 = 0 for j.

-5

Suppose -3*u + 2*u = 4. Let p(t) = -t**2 - 9*t. Let n be p(u). Solve 0 = -2*l + 6*l - n for l.

5

Let k(j) be the first derivative of -j**²⁄₂ - 7*j - 1. Let h be k(-7). Solve 2 = 2*d - h for d.

1

Let c(n) = -n3 - 8*n2 - n - 6. Let h be c(-8). Suppose 3*y = h*y. Solve -3 = -y*s + 3*s for s.

-1

Let t be (-2)/((-4)/(-6) - 0). Let f be (t/(-2))/((-2)/(-4)). Suppose -4 = -f*i - i. Solve 2*x = i - 5 for x.

-2

Suppose 2*c = 7*c. Suppose -2*v = -c*v. Let j = v + 1. Solve j = 3*x - 2*x for x.

1

Let z(b) = 16*b**2 + b + 1. Let h be z(-1). Suppose 5*f = -1 + h. Let c be (-6)/(f + 0) + 2. Solve -x + 0 + 2 = c for x.

2

Suppose 4*w = -5*w + 18. Solve 0 = 2*b + w*b - 20 for b.

5