question: Teacher asked me this: Solve 30864*g + 567 = 30891*g for g.
++++++++++
answer: 21

question: Teacher asked me this: Solve 327*d = -329*d + 655*d - 10 for d.
++++++++++
answer: -10

question: Teacher asked me this: Solve -3*g = -7 + 19 for g.
++++++++++
answer: -4

question: Teacher asked me this: Solve 0 = -30*b + 48*b + 126 for b.
++++++++++
answer:
-7