Write down the solution for this math problem: Solve 0 = 70*r + 88*r - 195*r + 222 for r.
answer: 6

Write down the solution for this math problem: Solve 1710*z + 21937 = 1417 for z.
answer: -12

Write down the solution for this math problem: Solve -4*f + 1 = 59 + 46 for f.
answer: -26

Write down the solution for this math problem: Solve 7 = 2*g + 5*g for g.
answer:
1