Problem: Math Problem
Solve 0 = 5*f + 3 - 18 for f.

A: 3

Problem: Math Problem
Solve -12*x + 20*x + 66 - 2 = 0 for x.

A: -8

Problem: Math Problem
Solve -141*u + 1303 + 6243 + 238 - 593 = 0 for u.

A:
51