Problem: Math Problem
Solve 156*d + 145*d = 38*d - 2104 for d.

A: -8

Problem: Math Problem
Solve 187438 = -5235*i - 37418 - 225354 for i.

A: -86

Problem: Math Problem
Solve 15 + 21 = -18*z for z.

A:
-2