7x-20=3x+28

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Solution for 7x-20=3x+28 equation: 



7x-20=3x+28

We move all terms to the left:

7x-20-(3x+28)=0

We get rid of parentheses

7x-3x-28-20=0

We add all the numbers together, and all the variables

4x-48=0

We move all terms containing x to the left, all other terms to the right

4x=48

x=48/4

x=12

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