What is the value of x if e 3x+6=8?

3x + 6 = 8

3x + 6 - 6 = 8 - 6 (subtract 6 on both sides)

3x = 2 (next do the inverse operation)

x = 2/3

To check substitute the value of x in the equation;

3x + 6 = 8

3 (2/3) + 6 = 8

2 + 6 = 8

8 = 8