question: Teacher asked me this: Solve 21*z = 25*z - 3 - 9 for z.
++++++++++
answer: 3
Solve -12127*k - 605 = -12164*k - 124 for k.
Solve this plz.

A: 13
QUESTION: Math problem: Solve 0 = 1678*c - 1660*c + 126 for c.
ANS: -7
Q: What is the solution?
Solve 1816 = -301*i + 177*i + 351*i for i.

A: 8
Write down the solution for this math problem: Solve -42672*r = -42736*r - 576 for r.
answer: -9
question: Teacher asked me this: Solve 81 = 9*o + 18 for o.
++++++++++
answer:
7