Suppose -9 = 4*o - 25. Suppose 0*s = s - o. Solve s*u = 5*u - 3 for u.

3

Let u(d) = -d**2 + 8*d - 8. Let b be u(7). Let g(s) = -4*s - 1. Let p be g(b). Solve -r + p*r = 8 for r.

4

Let m = 13 + -13. Suppose -4*z + 9*z - 3*v = 25, -3*z - v + 1 = m. Solve 4*q - z*q = -8 for q.

-4

Let o be ((-2)/(-2))/(1⁄7). Let b = o - 3. Suppose c + b*c = 10. Solve -c*l + 7*l = -20 for l.

-4

Let i(u) = -u**2 - 19*u - 32. Let v be i(-17). Solve 0 = 4*w - v - 10 for w.

3

Let s = -13 + 15. Solve -4 = -s*c + 2 for c.

3

Let k be 1/(-7)*3 - (-9)/21. Solve 0*v - 5*v - 5 = k for v.

-1

Suppose 0 = 2*i + 2 - 8. Suppose i*p - 7 - 2 = 0. Solve 0 = -2*f - p + 9 for f.

3

Suppose -4*s + 12 = -0*s. Let f = -3 + s. Let c = -13 + 18. Solve f*z - c*z = 0 for z.

0

Suppose t + 2*t = 0. Suppose j - 6 = d - 5*d, t = 4*j + 8. Suppose -36 = -4*w - x, -5*x + 3*x + d = w. Solve 0 = 5*y + 15 + w for y.

-5