question: Teacher asked me this: Solve 0 = -2*z - 278 + 272 for z.
++++++++++
answer: -3
Solve 7848*b = 7558*b + 4640 for b.
Solve this plz.

A: 16
QUESTION: Math problem: Solve -240132 = -4345*x - 791947 for x.
ANS: -127
Q: What is the solution?
Solve 0 = -7*s + 206 - 199 for s.

A: 1
Write down the solution for this math problem: Solve -b + 6 = 4 for b.
answer: 2
QUESTION: Math problem: Solve -409 + 3009 = 200*s for s.
ANS:
13