Isolate the x in the equation. Remember to do the opposite of PEMDAS.
First, add 8 to both sides
3x - 8 (+8) = -2 (+8)
3x = 6
Next, divide 3 from both sides
3x/3 = 6/3
x = 6/3
x = 2
Plug in 2 for x in the expression "x - 6"
2 - 6 = -4
-4 is your answer
hope this helps
