7x+7=4+2x+21

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Solution for 7x+7=4+2x+21 equation: 



7x+7=4+2x+21

We move all terms to the left:

7x+7-(4+2x+21)=0

We add all the numbers together, and all the variables

7x-(2x+25)+7=0

We get rid of parentheses

7x-2x-25+7=0

We add all the numbers together, and all the variables

5x-18=0

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

5x=18

x=18/5

x=3+3/5

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