25 − 2x/4 = 4x+7/5

I can not figure out the common factor
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2 Answers

25 − 2x/4 = 4x+7/5

LCM=20

25*20/20 − 2x*5/4*5 = (4x+7)*4/5*4

(500-10x)/20=(16x+28)/20

Multiplying by 20 on both sides we get

500-10x=16x+28

-10x-16x=28-500

-26x=-472

x=472/26=236/13

 

by Level 8 User (32.3k points)

25 − 2x/4 = 4x+7/5

Please omit the previous post

LCM=20

25*20/20 − 2x*5/4*5 = 4x*20/20 + 7*4/5*4

(500-10x)/20=(80x+28)/20

Multiplying by 20 on both sides we get

500-10x=80x+28

-10x-80x=28-500

-90x=-472

x=472/90

 

by Level 8 User (32.3k points)

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