question: Teacher asked me this: Solve -16*l + 5*l = -44 for l.
++++++++++
answer: 4

question: Teacher asked me this: Solve -5*d - 36 = -11 for d.
++++++++++
answer: -5

question: Teacher asked me this: Solve -140*d - 3010 = 75*d for d.
++++++++++
answer: -14

question: Teacher asked me this: Solve -3*r - 11 = 1 for r.
++++++++++
answer:
-4