Solve 3*j = c + c - 10, j - 4*c = -20 for j.

0

Solve 3*k - 2*r = -9, 2*k - 39*r + 19 = -42*r for k.

-5

Solve q - 2 = 5*j, 0 = 2*j - 0 + 2 for q.

-3

Solve 6*q = 3*d + q - 27, 11 = 5*d + 3*q for d.

4

Solve 0*f - 3*x = 2*f + 2, -f - x = 0 for f.

2

Solve -5*t + 2 = r, 7*r - 5*t - 10 = 2*r for r.

2

Solve -2 = -4*v + 5*k + 4, -5*v - 4*k + 28 = 0 for v.

4

Solve -13 = -v - 5*k - 2, 3*v - 3*k = -3 for v.

1

Solve -2*u = 4*p + 8, 3*p + 5*u - 2 = 6 for p.

-4

Solve 3*p = 5*v + 33, 74*p - 75*p = -4*v - 25 for p.

1