3x+5(x+4)=+7x

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Solution for 3x+5(x+4)=+7x equation: 



3x+5(x+4)=+7x

We move all terms to the left:

3x+5(x+4)-(+7x)=0

We multiply parentheses

3x+5x-(+7x)+20=0

We get rid of parentheses

3x+5x-7x+20=0

We add all the numbers together, and all the variables

x+20=0

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

x=-20

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