Question

How do you solve `7| \frac { x } { 9} | = 7`?

Answer 1

Solution: `x=9 and x=-9`

Explanation:

`7|x/9|=7 or |x/9|=1 or x/9=1 or x =9` And

`7|x/9|=7 or |x/9|=1 or x/9= -1 or x = -9`

Solution: `x=9 and x=-9` [Ans]