Write down the solution for this math problem: Solve 22*j + 103*j - 19*j + 1590 = 0 for j.
answer: -15

Write down the solution for this math problem: Solve -3 = 28*g + 81 for g.
answer: -3

Write down the solution for this math problem: Solve 6 = -541*a + 542*a for a.
answer: 6

Write down the solution for this math problem: Solve -2*g + 1 = 15 for g.
answer:
-7