Write down the solution for this math problem: Solve -4*u = -147 + 159 for u.
answer: -3

Write down the solution for this math problem: Solve -1905*g - 9107 = -455*g + 553 + 490 for g.
answer: -7

Write down the solution for this math problem: Solve -331*i = -94*i - 2084 - 1234 for i.
answer: 14

Write down the solution for this math problem: Solve -480 - 219 + 199 = 50*j for j.
answer:
-10