Solve 4*q + 7 = -5*t - 0, 4*q - 23 = 5*t for q.

2

Solve u = -2*q - 2*q + 7, -3*q - 6 = -3*u for u.

3

Solve 0 = 4*f + 5*i - 17, 0 = -6*f + 3*f - 2*i + 4 for f.

-2

Solve 90*t - 85*t = -20, -v = t + 3 for v.

1

Solve -a + 2*k + 2 = 15, -5*k = -a - 25 for a.

-5

Solve 3*f - 12*s + 10*s = -14, 3*f + 3*s - 6 = 0 for f.

-2

Solve -4*s + 5*b = 0, -3*s = 39*b - 40*b for s.

0

Solve 22 = -3*b + m + 12, -6*b - m - 17 = 0 for b.

-3

Solve 3*z = -6*n + 10*n - 20, -2*z - n - 6 = 0 for z.

-4

Solve -6*f = 5*j - 2*f + 17, 2*f + 5 = j for j.

-1