Question

if 2a-8=4 and 3b-8=10, what is the value of a+b?

Answer 1

A=6
2*6=12
12-8=4
B=6
3*6=18
18-8=10

Answer 2

I would solve both the equations 1st before I do anything else. Then if it says add a+b then add the two solutions you have.