SOLUTION: 4/8 = 12/x+5 please help with the answer

Algebra ->  Proportions -> SOLUTION: 4/8 = 12/x+5 please help with the answer       Log On


   

Question 442112: 4/8 = 12/x+5
please help with the answer
Answer by simranb(63) About Me  (Show Source):
You can put this solution on YOUR website!
12%2Fx+5=4/8
%2812%2B5x%29%2Fx=4/8
12+5x=4/8x
5x-4/8x=-12
%2840x-4x%29%2F8=-12
-36/8x=-12
-36x=-12*8
-36x=-96
x=-96/-36
x=8/3
hope this helps!