Solve -4*z + 2 = t, 3*z - 6*z + 3*t + 9 = 0 for z.

1

Solve 13*u + 12 = -h + 15*u, 2*u - 16 = -h for h.

2

Solve b = 4*c + 2*b - 10, 3*c + 5*b = -1 for c.

3

Solve 2*u + 14*f + 14 = 9*f, -5*u - 16 = 3*f for u.

-2

Solve 13*f + 9 = 10*f - 3*r, 8 = -4*r for f.

-1

Solve 5*q - 2*t + 18 = 0, -6*q + 2*q - 20 = 4*t for q.

-4

Solve -3*g - 2*m = 20, m - 91 + 87 = 2*g for g.

-4

Solve -5*d = -10*d + 3*r - 22, 0 = 5*r + 5 for d.

-5

Solve 4 = 2*p - 5*x, 5 = -5*p + 4*x - 2 for p.

-3

Solve -13*b + 14*b - 5*o + 6 = 0, o - 3 = 2*b for b.

-1