question: Teacher asked me this: Solve 7*r - 3 = -10 for r.
++++++++++
answer: -1
Solve 19 = -18*a - 53 for a.
Solve this plz.

A: -4
QUESTION: Math problem: Solve 451*m = 449*m - 8 for m.
ANS: -4
Q: What is the solution?
Solve -248 = 19*i - 77 for i.

A: -9
Write down the solution for this math problem: Solve -76 - 36 = 14*z for z.
answer: -8
Problem: Math Problem
Solve 21*t + 38*t = 413 for t.

A:
7