Let r = -4 - -7. Let n = -31 - -48. Solve 5*a + r = -n for a.

Suppose 79 = 4*v - 5*w, 0 = 2*v + 5*w + 3 - 20. Suppose g - v = -1. Solve r - g = -4*r for r.

3

Let j be (¹²⁄₉)/((-2)/(-3)). Suppose -j*p = 2*c + 6, 4*c - p = p + 18. Solve -y - c = y for y.

-1

Let k = 215 + -301. Let i be ⁴⁄₁₈ + k/(-18). Solve 2*d - i = 3 for d.

4

Suppose 0 = -w + 7 - 0. Let z(p) be the second derivative of p³⁄₆ - 3*p²⁄₂ - 3*p. Let m be z(w). Solve -m*n - 1 = 11 for n.

-3

Suppose 6 + 0 = 2*r. Suppose y + r = 5*q + 43, -8 = 2*q. Solve 0*k = 4*k + y for k.

-5

Let d be ⁹⁶⁄₁₅ - (-4)/(-10). Let g(t) = -4 + 2*t - d*t + 2*t. Let x be g(-3). Solve 2*z - x = z for z.

2

Let l be 3 - (0 + 0 + 1). Let g be (11 - l) + -2 - 1. Solve g = 4*o + 26 for o.

-5

Suppose -w + 3*w = 3*y - 12, -3*w = 4*y - 33. Solve -1 + 7 = -y*b for b.

-1

Suppose c + 142 = 6*c - 4*w, c - 2*w - 26 = 0. Let l be (-42)/c - 2/(-5). Let x be 2*1 - (l - -1). Solve -v = x*v for v.

0

Let n(h) = -h3 - 3*h2. Suppose 0 = -4*p + 4*d - 16, 2*p + 0*d - d = -7. Let s be n(p). Let u be (-26)/(-6) + (-7)/21. Solve s = -u*b - 2 - 10 for b.

-3