Problem: Math Problem
Solve -1886*z + 1961 = 29629 - 131398 for z.

A: 55

Problem: Math Problem
Solve -6738 = -402*z - 2*z + 3362 for z.

A: 25

Problem: Math Problem
Solve -44*a + 143*a = 36*a - 189 for a.

A:
-3