Q: Solve -3*z + 9*z - 30 = 0 for z.

A: 5
Q: Solve:
Solve -18*n - 30 = 18*n - 30*n for n.

A: -5
Question: What is the solution?

Solve -760*b + 306 = -778*b for b.

Answer: -17
Problem: Math Problem
Solve 4945 = -139*a + 8142 for a.

A: 23
Question:
Solve 415*c + 9140 + 15759 = -375*c - 8281 for c..

Answer:
-42
Question:
Solve 105*i + 144 = 89*i for i..

Answer:
-9