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What does x equal in the equation (3)/(5)x- (1)/(4)x=7\\
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What does x equal in the equation
(3)/(5)x- (1)/(4)x=7\\

User Dan Doe
by
6.3k points

1 Answer

0 votes

Answer:


x = 20

Explanation:


(3)/(5)x - (1)/(4)x = 7

The LCD is 20, so multiply both sides of the equation by 20.


20((3)/(5)x - (1)/(4)x) = 20 * 7


4 * 3x - 5 * x = 140


12x - 5x = 140


7x = 140


x = 20

User Wajid
by
6.1k points
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