Question:
Solve 11*g = 7*g + 4 for g..

Answer:
1

Question:
Solve -7*z = -12 + 33 for z..

Answer:
-3

Question:
Solve 42*l - 216 = 162 for l..

Answer:
9

Question:
Solve -119*d = -117*d - 6 for d..

Answer:
3