question: Teacher asked me this: Solve -21069*a + 21067*a - 12 = 0 for a.
++++++++++
answer: -6
Solve -405*a + 19411 = 348*a + 5857 for a.
Solve this plz.

A: 18
QUESTION: Math problem: Solve -216*a - 148 - 2400 = -388 for a.
ANS: -10
Q: What is the solution?
Solve 781*g + 150*g + 33378 - 19902 = -40522 for g.

A: -58
Write down the solution for this math problem: Solve -468*f + 22289 = -517*f - 670*f for f.
answer: -31
Write down the solution for this math problem: Solve 0 = -2*a + 6 - 6 for a.
answer:
0