question: Teacher asked me this: Solve -18718*s + 20047*s + 85540 = 245020 for s.
++++++++++
answer: 120
Solve -152*a + 39187155 = 95*a + 39204939 for a.
Solve this plz.

A: -72
QUESTION: Math problem: Solve 77*s + 49*s + 9300 = -36*s + 12*s for s.
ANS: -62
Q: What is the solution?
Solve 107*n = -122*n + 218*n - 330 for n.

A: -30
Write down the solution for this math problem: Solve 0 = -512*z - 3409*z + 105867 for z.
answer: 27
QUESTION: Math problem: Solve 0 = 13*y - 73 + 21 for y.
ANS:
4