3x-2 over 2 (fraction format) -x over 4 (fraction format) = 15. I know that I need a LCD but when I tried 2 it didn't seem to work right. the only hint my math teache gave was the answer has to be a mixed number. Can anyone help?

asked by Crystal

15 years ago

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1 answer

(2x-2)/2 - x/4 = 15
LCD = 4
4x-4 -x = 60
3 x = 64
x = 64/3

answered by Damon

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Question

3x-2 over 2 (fraction format) -x over 4 (fraction format) = 15. I know that I need a LCD but when I tried 2 it didn't seem to work right. the only hint my math teache gave was the answer has to be a mixed number. Can anyone help?

1 answer

(2x-2)/2 - x/4 = 15
LCD = 4
4x-4 -x = 60
3 x = 64
x = 64/3

Damon · Answer

(2x-2)/2 - x/4 = 15 LCD = 4 4x-4 -x = 60 3 x = 64 x = 64/3