Write down the solution for this math problem: Solve 209*a - 108 = 182*a for a.
answer: 4

Write down the solution for this math problem: Solve -169 = 2*i - 165 for i.
answer: -2

Write down the solution for this math problem: Solve -5*j + 36 = 26 for j.
answer: 2

Write down the solution for this math problem: Solve -2*a - 146 = -152 for a.
answer:
3