question: Teacher asked me this: Solve 3 + 1 = -i for i.
++++++++++
answer: -4
Solve 2242 - 461 + 104 = 145*x for x.
Solve this plz.

A: 13
QUESTION: Math problem: Solve -39*j + 161*j - 33*j - 27*j = -7502 for j.
ANS: -121
Q: What is the solution?
Solve 1344 = -128*b + 507 - 2747 for b.

A: -28
Write down the solution for this math problem: Solve -4*a = -4*a - 2*a for a.
answer: 0
Q: Solve:
Solve -8490 = -10*k - 8520 for k.

A:
-3