Solve 11*c + 12 = 7*c - 4*f, 6 = 5*c - 2*f for c.

0

Solve -m - 4*a = -20, 0 = -30*m + 28*m + 5*a - 25 for m.

0

Solve 111 - 124 = 4*a - k, 5*a + 5 = -k for a.

-2

Solve -t = 2*m + 7, 0*t + 25 = -5*t for m.

-1

Solve -5*l = -3*i + 26, 63*l - 61*l + 8 = 0 for i.

2

Solve 3*u - 2*n + 2 = 0, -u - 5*n = -3*u - 5 for u.

0

Solve 5*a = 4*q - 25, -1 = 2*q - 5*a - 26 for q.

0

Solve -3*w + m - 20 = 0, w - 82 = -3*m - 72 for w.

-5

Solve 20 = -4*k, 2*h + 2*h - 1 = -3*k for h.

4

Solve -378 + 370 = q - 4*r, -3*q = -3*r - 3 for q.

4