question: Teacher asked me this: Solve 10*j - 9*j = -2 for j.
++++++++++
answer: -2
Solve -7331*a - 13020 = -6463*a for a.
Solve this plz.

A: -15
QUESTION: Math problem: Solve -138*u + 3719 = -124*u + 246*u - 4081 for u.
ANS: 30
Q: What is the solution?
Solve -722 = 38*a - 164*a + 88*a for a.

A: 19
Write down the solution for this math problem: Solve 54326 = 15103*h - 1712725 for h.
answer: 117
Write down the solution for this math problem: Solve -1063*b = -380*b + 2467*b + 886*b + 72648 for b.
answer:
-18