Solve -4 = 5*z - 4*i, 5*z - 124 = 3*i - 127 for z.

0

Solve -2*q - 8 = -4*w, w - 2*q = -4*w + 10 for w.

2

Solve -4*t + r = -2, 5*t - 6 = -9*r + 12*r for t.

0

Solve 3*y = 2*y, 20 = 5*s + 5*y for s.

4

Solve 2*f - 3*f + 1 = -m, -3*m - f = -1 for m.

0

Solve 5*k - 15 = 4*p + p, 16 = 5*k - 4*p for k.

4

Solve 3*v = -9, -v = -j - 4*v - 7 for j.

2

Solve 0 = -4*h - 5*u + 27 + 3, 0 = 3*h - u - 13 for h.

5

Solve 3*h + 3*w = -2*w - 8, h = w + 8 for h.

4

Solve 0 = 4*x - 5*d + 22, -4*d + 1 = -3*x - 8*d for x.

-3