Problem: Math Problem
Solve 0 = 16*d - 15*d + 6 for d.

A: -6

Problem: Math Problem
Solve -402*r - 137*r - 25494 - 5969 = 16508 for r.

A: -89

Problem: Math Problem
Solve -731*z - 83 = -701*z + 697 for z.

A:
-26