SOLUTION: 1/3x + 3/4x = 13

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Question 94336: 1/3x + 3/4x = 13
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
x/3+x/4=13
(4x+3x)/12=13 cross multiply
7x=156
x=156/7 answer.
proof
156/7*(1/3)+156/7(1/4)=13
156/21+156/28=13
7.42857+5.571428=13
13=13