Solve -9 = -3*s + 2*x - 5*x, 0 = s - 4*x + 12 for s.

0

Solve -2*b = 8, 8*b + 4 = -5*j + 7*b for j.

0

Solve 4*f = 6*f - 5*m + 1, f + 3*m + 6 = 0 for f.

-3

Solve -5*s - 2 = 5*r + 8, 0 = 2*r - 2*s - 16 for r.

3

Solve -z - 7 - 5 = -4*j, 9 = 2*z + 3*j for z.

0

Solve 0 = -o + 4*n - 13, -3*n + 21 = 2*o + o for o.

3

Solve -4*y - 32 = -3*z, 5*z - 46 = -2*y - 36 for y.

-5

Solve -2*r + u = -6, 2*r = -2*u - 65 + 71 for r.

3

Solve -20*y = -5*j - 24*y - 4, 3*y = 12 for j.

-4

Solve 0 = 3*z + 5*r + 5, -11*r + 16*r + 30 = 2*z for z.

5