Solve 15 = -11*f + 81 for f.
6
Solve 3*v - 14 + 2 = 0 for v.
4
Solve 17 + 11 = -7*d for d.
-4
Solve 39 = 53*a - 14*a for a.
1
Solve -4 = -6*d + 4*d for d.
2
Solve -21 = 79*l - 72*l for l.
-3
Solve 10*k - 12*k - 6 = 0 for k.
-3
Solve -133 = 2*o - 131 for o.
-1
Solve 8*x + 13 = 21 for x.
1
Solve -21*q = 41 + 22 for q.
-3