x+2=3(7-x)

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Solution for x+2=3(7-x) equation: 



x+2=3(7-x)

We move all terms to the left:

x+2-(3(7-x))=0

We add all the numbers together, and all the variables

x-(3(-1x+7))+2=0



We calculate terms in parentheses: -(3(-1x+7)), so:

3(-1x+7)

We multiply parentheses

-3x+21

Back to the equation:

-(-3x+21)



We get rid of parentheses

x+3x-21+2=0

We add all the numbers together, and all the variables

4x-19=0

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

4x=19

x=19/4

x=4+3/4

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