Let l be -2 - (-2)/1 - 11. Let u = l - -13. Solve u = -s - 1 for s.

Let l be (²²⁰⁄₇₇)/(-1 - (-9)/7). Solve l = w + 4*w for w.

2

Suppose 4*h - 4 = 12. Solve 4*c = -h - 0 for c.

-1

Suppose -5*h + 7*h = 70. Let s = -23 + h. Solve 0 = -x - 3*x + s for x.

3

Suppose -2*a - 30 = a. Let r = 12 + a. Solve -h + 1 = -r for h.

3

Suppose 3*y + 5*w + 6 = -14, 4 = y - w. Let o = -6 - -6. Solve -c + y*c = o for c.

0

Let u(j) = j3 + 2*j2 - 2*j. Let c be u(-2). Let n(w) = 2*w3 + 2*w2 - 5*w - 1. Let r be n(2). Suppose -c*m - r = -33. Solve -2*i = -m*i for i.

0

Let o(p) = -p3 + 3*p2 + 5*p + 7. Let b be o(5). Let d be (-84)/b + ¹⁄₃. Suppose d*q - 23 = 12. Solve 3*c + q = 1 for c.

-2

Suppose 6*m = 40 + 20. Solve 0*h = 5*h - m for h.

2

Let f = -20 - -25. Solve -i = -f*i for i.

0

Let w = 14 - 6. Suppose w = 5*x - x. Suppose x*p - 3*r + r - 16 = 0, 5*r = -25. Solve -9 = -0*o + p*o for o.

-3