3(2x+4)=3(x+7)

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Solution for 3(2x+4)=3(x+7) equation: 



3(2x+4)=3(x+7)

We move all terms to the left:

3(2x+4)-(3(x+7))=0

We multiply parentheses

6x-(3(x+7))+12=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

6x-3x-21+12=0

We add all the numbers together, and all the variables

3x-9=0

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

3x=9

x=9/3

x=3

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