Question

How do you solve `2|x - 4| + 7 = 25`?

Answer 1

`x=13orx=-5`

Explanation:

`2|x-4|+7=25`

`2|x-4|=25-7`

`|x-4|=18/2`

`|x-4|=9`

now we break the modulus by adding plus and minus sign on the another side

`x-4=9orx-4=-9`

`x=13orx=-5`