Question

Please explain how to solve these equations.
m+j=58
11m+10j

Answer 1

Find the equation for m or j.
I’m going to solve for m
M+J=58 (Subtract J on both sides)
M=58+J
Now substitute for M in the second equation.
11(58+j)+10j
638 + 11j + 10j
638 + 21j