question: Teacher asked me this: Solve -49*x + 56*x - 28 = 0 for x.
++++++++++
answer: 4
Solve 10 = -x + 5 for x.
Solve this plz.

A: -5
QUESTION: Math problem: Solve -89 = -44*z - 1 for z.
ANS: 2
Q: What is the solution?
Solve -21*n = 44*n - 85*n - 260 for n.

A: -13
Write down the solution for this math problem: Solve -20 = 5*b - 9*b for b.
answer: 5
QUESTION: Math problem: Solve -18*n = -21 + 3 for n.
ANS:
1