Solve 4*z - 3*s = -5, z = -4*z - 2*s - 12 for z.

-2

Solve 4*j + 3*f + 15 = 0, f = 2*j - 2 + 7 for j.

-3

Solve 2*k + 8 = -2*t + 10, 0 = -5*k - 4*t + 7 for k.

3

Solve -2*y + 20 = 4*q - y, -5*y = -20 for q.

4

Solve -13 = -5*s - a, 2*s - 2*a = -0*s - 2 for s.

2

Solve 2*r = -8, 4*t - 13*r + 8*r - 40 = 0 for t.

5

Solve -2*r - 155*f - 4 = -157*f, 3*r + 5 = 2*f for r.

-1

Solve 3*q - 5*u + 44 = 89, -2*q = 5*u + 20 for q.

5

Solve -f = -5*y + 16, -3*y + 6 = -f - 2 for y.

4

Solve 5*n = -4*j + 13 - 16, -j - 7 = -5*n for n.

1