Solve -21*a + 17*a = -v + 18, v + 4*a = -22 for v.

-2

Solve 3*q + 0*x = -2*x - 2, -3*x + 11 = q for q.

-4

Solve 9 = -4*i + f, 5*i + 4*f - 20 = -f for i.

-1

Solve -4*i + 3*p = -1, -5*i - 49*p = -50*p - 4 for i.

1

Solve -2 = 3*c - 4*c, 0 = y - 2*c + 8 for y.

-4

Solve -4*q + 2 = -3*j, q + 6 = -4*j + 3*q for j.

-2

Solve 0 = -z - 3*z + 20, -3*d + 37 = 5*z for d.

4

Solve 3*x + 1 = -l, -5*x + 21 = -6*l + 2*l for x.

1

Solve -5*i - 4*h - 13 = 0, -i - 3*h = -6*i + 1 for i.

-1

Solve 5*f + 6*l = 4*l + 8, -f = 2*l for f.

2