Write down the solution for this math problem: Solve 22*i + 35*i = 285 for i.
answer: 5

Write down the solution for this math problem: Solve 10*f = 14*f + 20 for f.
answer: -5

Write down the solution for this math problem: Solve 4107*v - 170*v + 1088*v = -492450 for v.
answer: -98

Write down the solution for this math problem: Solve 149*y - 254 = -266*y - 669 for y.
answer:
-1