Question

How do I solve this equation?

Answer 1

x = ±
`(2)/(3)`

Explanation:

`|a|= \left \{ {a,if{a\geq 0} \atop-a, if {a<0}} \right.`

~~~~~~~~~~~~

7 | 3x | + 2 = 16

7 | 3x | = 14

| 3x | = 2

1). 3x = 2

x =
`(2)/(3)`

2). - 3x = 2

x = -
`(2)/(3)`