7x-(2x+7)=28

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Solution for 7x-(2x+7)=28 equation: 



7x-(2x+7)=28

We move all terms to the left:

7x-(2x+7)-(28)=0

We get rid of parentheses

7x-2x-7-28=0

We add all the numbers together, and all the variables

5x-35=0

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

5x=35

x=35/5

x=7

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