3(x+1)=96-42
3(x+1)=54
x+1=54:3
x+1=18
x=17
^-^
96 - 3(x+1) = 42
3(x+1) = 96 - 42
3(x+1) = 54
x+1 = 54 : 3
x+1 = 18
x = 18 - 1
x = 17
96 - 3(x + 1) = 42
3(x + 1) = 96 - 42
3(x + 1) = 54
x + 1 = 54 : 3
x + 1 = 18
x = 18 - 1
x = 17
96 - 3 ( x + 1 ) = 42
3 ( x + 1 ) = 96 - 42
3 ( x + 1 ) = 54
( x + 1 ) = 54 : 3
x + 1 = 18
x = 18 - 1
x = 17
96 - 3(X+1) = 42
3(X+1) = 96 - 42
3(X+1) = 54
(X+1) = 54 : 3
(X+1) = 18
X = 18 - 1
X = 17
96-3(x+1)=42
3(x+1) =96-42
3(x+1) = 54
x+1 =54 :3
x+1 = 18
x = 18-1
x = 17
96 - 3 ( x + 1 ) = 42
3 ( x + 1 ) = 96 - 42
3 ( x + 1 ) = 54
( x + 1 ) = 54 : 3
x + 1 = 18
x = 18 - 1
x = 17
96 - 3(x + 1) = 42
3(x + 1) = 96 - 42
3(x + 1) = 54
x + 1 = 54 : 3
x + 1 = 18
x = 18 - 1
x = 17
96 - 3(x + 1) = 42
3(x + 1) = 96 - 42
3(x + 1) = 54
x + 1 = 54 : 3
x + 1 = 18
x = 18 - 1
x = 17