
Brad H. answered 02/20/13
Young, energetic tutor. I guarantee a deeper understanding.
X = -11
3 (x-4)+7=-3+x-24
-Add (-3+-24=-27)-
3 (x-4) +7 = x-27
-Move -27 to other side and add it to 7 (27+7 = 34)
3 (x-4) + 34 = x
-Distribute 3-
3x-12+34=x
(34-12 = 22)
3x+22=x
-Subtract x from both sides-
2x+22=0
-Move 22 to other side
2x=-22
-Divide by 2 to get X alone
x=-11