Suppose 4*w - 31 = -5*k, -4*w - w + 14 = -2*k. Suppose -2*x - 5*n = -9, -5*x + n + 13 = w*n. Let h = -2 + x. Solve 2*p - 5*p - 9 = h for p.

Suppose -4 = 4*d, 5*v - 2 - 11 = 3*d. Let s be ((-1)/1)/(1/(-7)). Solve v*z - s*z = -15 for z.

3

Suppose -4*m - 5*u + 28 = 0, 2*m - 3*u = 3*m - 14. Suppose -b + m*b - 3 = 0. Solve -b + 28 = -5*t for t.

-5

Suppose 0 = 11*u - 16 - 6. Suppose -6*j = -j. Solve 0 = -j*c + u*c for c.

0

Let b be 4 + (-9)/(-7 - -4). Solve -5*n = 18 + b for n.

-5

Let r(t) = -t3 - 3*t2 + 6*t - 5. Let w be r(-5). Let m be ¹⁰⁄₆ - (-5)/w. Solve -m = -2*a + 2 for a.

2

Let c(h) = -h3 - 6*h2 + 6*h + 4. Let p be c(-7). Let q(f) = f3 + 5*f2 - f - 7. Let g be q(-5). Let s be ((-2)/g)/(²⁄₁₀). Solve s*u - p = 4 for u.

3

Let t be ⁸¹⁄₁₂ + 9/(-12). Solve t*l = l for l.

0

Let o = -11 + 18. Suppose 0 = -3*n - 5*q + 20, -n = 2*q - 1 - o. Solve n = 3*u + u for u.

0

Let f be (12/(-15))/(³⁄₁₅). Let g(j) = -j + 1. Let b be g(f). Suppose b*u = u. Solve u = t - 3 for t.

3

Let a be ((-18)/4)/3*-2. Suppose 2*t - 14 = -3*j, -2*j = -2*t - 0 - 16. Let g = 26 + -23. Solve g*n + j = -a for n.

-3