Write down the solution for this math problem: Solve 18 + 80 = 14*w for w.
answer: 7

Write down the solution for this math problem: Solve -12*z + 9*z - 9 = 0 for z.
answer: -3

Write down the solution for this math problem: Solve -22*i - 27*i = 98 for i.
answer: -2

Write down the solution for this math problem: Solve -x - 4 + 8 = 0 for x.
answer:
4