Solve 2*a + 3*k = 5*a - 15, 0 = -k - 3 for a.

2

Solve 4*t = -j + 4, 3*t - 4*t - 20 = -5*j for t.

0

Solve 6*o - 4 = 2*p + 4*o, -p + 3*o - 12 = 0 for p.

3

Solve x - 2*c = 3*c - 6, -4*x - 3*c = -22 for x.

4

Solve 0 = -3*u - 2*t - 16, 4*u + 9*t - 12*t - 7 = 0 for u.

-2

Solve -3*r - 2*z + 9 = -z, 0 = r - 5*z - 19 for r.

4

Solve 3*x - 7 = 2*o - 19, -9 = -3*o for x.

-2

Solve 4*o + 15 = -3*k + 7, k - 4*o = -8 for k.

-4

Solve -3*i + 1 = -3*f - 2, 2*f = -3*i - 22 for f.

-5

Solve -4*y - 5 = 3*o - 33, -o + 4 = 0 for y.

4