3:(x+1)=4/5
x+1=3:4/5
x+1=3x5/4
x+1=15/4
x=15/4-1
x=15/4-4/4
x=11/4
3 : ( x + 1 ) = 4/5
( x + 1 ) = 3 : 4/5
( x + 1 ) = 3 x 5/4
( x + 1 ) = 15/4
x = 15/4 - 1
x = 11/4
3 : ( x + 1 ) = 4/5
( x + 1 ) = 3 : 4/5
( x + 1 ) = 3 x 5/4
( x + 1 ) = 15/4
x = 15/4 - 1
x = 11/4
3 : ( x + 1 ) = 4/5
x + 1 = 3 : 4/5
x + 1 = 15/4
x = 15/4 - 1
x = 11/4
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