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