question: Teacher asked me this: Solve -400 + 248 = -19*l for l.
++++++++++
answer: 8

question: Teacher asked me this: Solve -12*a + 4*a - 24 = 0 for a.
++++++++++
answer: -3

question: Teacher asked me this: Solve 113*d + 14973 = 655*d + 79*d + 1932 for d.
++++++++++
answer: 21

question: Teacher asked me this: Solve -120 = -22*c + 34 for c.
++++++++++
answer:
7