question: Teacher asked me this: Solve 623*a - 630*a = -7 for a.
++++++++++
answer: 1
Solve -72*d + 100 - 672 = -28*d - 44 for d.
Solve this plz.

A: -12
QUESTION: Math problem: Solve 1467*s = -453969 + 364482 for s.
ANS: -61
Q: What is the solution?
Solve 1599*s - 43159 = 54380 for s.

A: 61
Write down the solution for this math problem: Solve 647*c + 440*c + 296*c = -393*c - 120768 for c.
answer: -68
Q: Solve:
Solve -940*r + 20671 + 12229 = 0 for r.

A:
35