Problem: Math Problem
Solve -7*j + 12*j - 4*j = 0 for j.

A: 0

Problem: Math Problem
Solve -10*m - 4*m + 4*m + 100 = 0 for m.

A: 10

Problem: Math Problem
Solve -249*a - 1818 + 7574 = -7192 for a.

A:
52