question: Teacher asked me this: Solve 0 = 4*z - 21 + 29 for z.
++++++++++
answer: -2
Solve 48*r - 275 = 103*r for r.
Solve this plz.

A: -5
QUESTION: Math problem: Solve 1618 = -30*w + 1168 for w.
ANS: -15
Q: What is the solution?
Solve 1491*s - 1619*s = -2688 for s.

A: 21
Write down the solution for this math problem: Solve 26*u = 25*u - 2 for u.
answer: -2
Write down the solution for this math problem: Solve 28 = -4948*q + 4920*q for q.
answer:
-1