Write down the solution for this math problem: Solve 21*a = -22*a + 258 for a.
answer: 6

Write down the solution for this math problem: Solve 0 = -4*y + 1 + 11 for y.
answer: 3

Write down the solution for this math problem: Solve -202*q - 9527 - 6623 = -848*q for q.
answer: 25

Write down the solution for this math problem: Solve -27 = 5*w + 4*w for w.
answer:
-3