x+12/2=3(x+7)

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Solution for x+12/2=3(x+7) equation: 



x+12/2=3(x+7)

We move all terms to the left:

x+12/2-(3(x+7))=0

We add all the numbers together, and all the variables

x-(3(x+7))+6=0



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

3(x+7)

We multiply parentheses

3x+21

Back to the equation:

-(3x+21)



We get rid of parentheses

x-3x-21+6=0

We add all the numbers together, and all the variables

-2x-15=0

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

-2x=15

x=15/-2

x=-7+1/2

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