question: Teacher asked me this: Solve 164 = 242*u - 211*u - 53 for u.
++++++++++
answer: 7
Solve 43*a - 21 = 36*a for a.
Solve this plz.

A: 3
QUESTION: Math problem: Solve -8305*k - 2750 = -8250*k for k.
ANS: -50
Q: What is the solution?
Solve -15410*a + 2355288 = -312*a for a.

A: 156
Write down the solution for this math problem: Solve 7 = -3*h - 4*h for h.
answer: -1
QUESTION: Math problem: Solve 31*a + 5211 = 5056 for a.
ANS:
-5