Write down the solution for this math problem: Solve -2142*q - 24 = -2154*q for q.
answer: 2

Write down the solution for this math problem: Solve 0 = -266*q + 268*q - 6 for q.
answer: 3

Write down the solution for this math problem: Solve 2*g - 54*g = 74*g + 21*g for g.
answer: 0

Write down the solution for this math problem: Solve 428*i - 162*i + 100*i = -372*i - 738 for i.
answer:
-1