Answer :
(3 times X) + (3 times 4) = 30
3X + 12 = 30
3X = 30 - 12
3X = 18
3X divided by 3 = 18 divided by 3
X = 6
3X + 12 = 30
3X = 30 - 12
3X = 18
3X divided by 3 = 18 divided by 3
X = 6