question: Teacher asked me this: Solve -715*l = -495*l + 15840 for l.
++++++++++
answer: -72
Solve -30*c - 25 - 136 = -41 for c.
Solve this plz.

A: -4
QUESTION: Math problem: Solve -4100 + 20372 + 4610 = -453*u - 25777 for u.
ANS: -103
Q: What is the solution?
Solve -235*a - 708 + 1357 + 1721 = -77*a for a.

A: 15
Write down the solution for this math problem: Solve -1147 = -11*a - 1213 for a.
answer: -6
Q: Solve:
Solve -42 = -23*d - 19*d for d.

A:
1