Problem: Math Problem
Solve 23*c - 89 = -21 + 47 for c.

A: 5

Problem: Math Problem
Solve -595*a + 587*a - 40 = 0 for a.

A: -5

Problem: Math Problem
Solve 30743 + 22447 = -2468*d + 695*d for d.

A:
-30