Suppose -13*u + 43 + 9 = 0. Solve 0 = 2*z + u - 0 for z.

-2

Suppose 2*b - 4*k = 6*b + 12, -5*k = 15. Suppose -4*w + 7w - 18 = b. Let s be 1(w - 0) - 0. Solve 1 - s = -x for x.

5

Suppose -g + 2*g = -16. Let m = 19 + g. Solve 0 = -m*p + p + 10 for p.

5

Let z(l) = l**2 - 7*l + 5. Let s be z(7). Suppose -s*i = -38 + 13. Solve 0 = -i*h + 25 - 0 for h.

5

Let k be -3 - 4*8/(-4). Solve k*c = -0*c + 25 for c.

5

Let x(s) = s**2 + 3*s + 10. Let v be x(-3). Solve v*z = 5*z - 15 for z.

-3

Suppose -12 = -2*k - 2*k. Suppose k*t = -2*u + 51, -u + 0*u - 4*t + 38 = 0. Suppose 0 = -l + 4*q - 5, -2*l + u = 5*q + 2. Solve 0 = l*y + 2 - 14 for y.

4

Let d be -7-1(-8)/(-28). Solve -2*n - 6 = d for n.

-4

Suppose 12 = 3*p - 0. Suppose p*y - 25 = -y. Solve y*a = 2*a - 15 for a.

-5

Suppose 0 = 3*j + 3 - 9, -2*j + 4 = 4*g. Let a be 12(1 - g). Let z = 4 - a. Solve 0 = -z*u - 3*u for u.

0