Q: Solve -213 - 12 = 45*d for d.

A: -5
Q: Solve:
Solve -10*i - 78 = -138 for i.

A: 6
Question: What is the solution?

Solve 11 = -5*i + 21 for i.

Answer: 2
Problem: Math Problem
Solve -1810*s + 6810 = -1129*s for s.

A: 10
Question:
Solve 266*h = -5058 + 270 for h..

Answer:
-18
Solve 37 - 141 = 293*i - 301*i for i.
Solve this plz.

A:
13