3/4x + 6 = 15 what is x
(3/4)x-6 = 15 // - 15(3/4)x-15-6 = 03/4x-21 = 0 // + 213/4x = 21 // : 3/4x = 21/3/4x = 28
subtract 6 from both sides you get 93/4x=9multiply both sides by 43x=36divide by 3 into both sidesx=12