question: Teacher asked me this: Solve 15*x = -x + 48 for x.
++++++++++
answer: 3
Solve -9*a = -217 + 235 for a.
Solve this plz.

A: -2
QUESTION: Math problem: Solve -145*o + 149*o + 16 = 0 for o.
ANS: -4
Q: What is the solution?
Solve 7*u + 35 = 7 for u.

A: -4
Write down the solution for this math problem: Solve 300306 - 138271 = -3307*x - 248154 - 46177 for x.
answer: -138
question: Teacher asked me this: Solve 277*v + 22*v + 102*v + 8421 = 0 for v.
++++++++++
answer:
-21