Solve 4*b + 64 = -12*b for b.

-4

Solve 54*a = 47*a + 28 for a.

4

Solve -739 + 712 = 3*q for q.

-9

Solve 2 = -20*k - 18 for k.

-1

Solve -51*x + 15 = -36*x for x.

1

Solve -x + 13*x = 0 for x.

0

Solve 0 = -5*t + 22 - 7 for t.

3

Solve -6*n = -2*n + 4 for n.

-1

Solve -68 = -39*r + 49 for r.

3

Solve 2*k - 4 - 6 = 0 for k.

5