question: Teacher asked me this: Solve -165*l + 21 = -168*l for l.
++++++++++
answer: -7
Solve 30 - 24 = 6*r for r.
Solve this plz.

A: 1
QUESTION: Math problem: Solve -320 + 320 = -x for x.
ANS: 0
Q: What is the solution?
Solve 4*r - 6907 = -2*r + 6822 - 13483 for r.

A: 41
Write down the solution for this math problem: Solve 143 = -105*x - 38*x for x.
answer: -1
Q: Solve:
Solve 95*b + 631 + 526 = 6*b for b.

A:
-13