Write down the solution for this math problem: Solve 10949*y + 2294*y + 259901 = 8893 - 106553 for y.
answer: -27

Write down the solution for this math problem: Solve 356520*c = 356467*c - 954 for c.
answer: -18

Write down the solution for this math problem: Solve 65*r - 465 = -35*r + 35 for r.
answer: 5

Write down the solution for this math problem: Solve -64*a + 18*a - 230 = 0 for a.
answer:
-5