Question:
Solve 109 - 157 = -12*l for l..

Answer:
4

Question:
Solve 10733*z - 375730 + 292731 = -1144155 - 495129 for z..

Answer:
-145

Question:
Solve 61*k + 152 + 389 = -679 for k..

Answer:
-20

Question:
Solve -65*l + 54*l = 154 for l..

Answer:
-14