question: Teacher asked me this: Solve -48*z - 52*z = -104*z - 84 for z.
++++++++++
answer: -21

question: Teacher asked me this: Solve 107 = 12*j + 383 for j.
++++++++++
answer: -23

question: Teacher asked me this: Solve 2*j + 9*j + 130 - 86 = 0 for j.
++++++++++
answer: -4

question: Teacher asked me this: Solve 1974*s + 7422*s + 369673 - 55103 = -399526 for s.
++++++++++
answer:
-76