Solving implies there is only one unknown. Since this is pre-algebra, I am assuming the x was a mistake since you already have an unknown in the problem (m).
m/7 - 5 = 92 (don't know if X is part of the problem)
m/7 - 5 + 5 = 92 + 5 (add five to both sides)
m/7 = 97
Multiple by 7 on each side
7 * m/7 = m
97 * 7 = 679
so m = 679 DON'T FORGET TO DOUBLE CHECK YOUR WORK, PUT THE ANSWER BACK INTO THE EQUATION.
679/7 - 5 = 92
97 - 5 = 92 TRUE, answer checks out. I think this is what you were looking for.