Suppose -2*u + q + 19 = 0, 2*u + u - 21 = -q. Solve u = 2*k - 2 for k.

5

Let x = 32 - 28. Solve r = 3*r + x for r.

-2

Let z be (-52)/(-20) + (-6)/(-15). Solve z*m = -8 - 4 for m.

-4

Let u be (4 - 3)-3-2. Solve 0*l = -2*l + u for l.

3

Let u be 2/(-8) + 1628. Suppose 0 = -0*i - 2*i + 3*n - 12, 5*n = u. Solve i = 4*y - 0*y + 8 for y.

-2

Suppose 4*j - 6 = 38. Suppose -15 = -c - 2*q, 24 = -c + 5*c - 4*q. Let n = j - c. Solve 0 = -n*o - o for o.

0

Let c = -1 + 1. Let p = 24 - 17. Let u = c + p. Solve u*b = 2*b for b.

0

Let x© = -5*c - 21. Let g be x(-8). Solve 0 = 3*a + g - 4 for a.

-5

Suppose -3*s - s = 8, -62 = -5*l - 4*s. Suppose h = 3*h - l. Solve -8 - h = 3*r for r.

-5

Suppose 3*r = -0*r - 2*o + 29, 5*r - 5*o - 40 = 0. Solve -5*k + 6 = -r for k.

3