question: Teacher asked me this: Solve 299*a - 978 + 1715 = -3748 for a.
++++++++++
answer: -15

question: Teacher asked me this: Solve -3222 - 20 = -892*l - 23758 for l.
++++++++++
answer: -23

question: Teacher asked me this: Solve 19*w = -69*w + 11*w - 1540 for w.
++++++++++
answer: -20

question: Teacher asked me this: Solve 1092*u = 1008*u - 672 for u.
++++++++++
answer:
-8