Question:
Solve -53 = -63*n + 131 + 320 for n..

Answer:
8

Question:
Solve -116*g + 63*g = -315*g - 151*g + 13629 for g..

Answer:
33

Question:
Solve -278*a - 953*a + 28*a + 86*a - 6702 = 0 for a..

Answer:
-6

Question:
Solve 0 = -98*u + 33*u - 83*u + 592 for u..

Answer:
4