3x+7*3=3(x+14)-3x

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Solution for 3x+7*3=3(x+14)-3x equation: 



3x+7*3=3(x+14)-3x

We move all terms to the left:

3x+7*3-(3(x+14)-3x)=0

We add all the numbers together, and all the variables

3x-(3(x+14)-3x)+21=0



We calculate terms in parentheses: -(3(x+14)-3x), so:

3(x+14)-3x

We add all the numbers together, and all the variables

-3x+3(x+14)

We multiply parentheses

-3x+3x+42

We add all the numbers together, and all the variables

42

Back to the equation:

-(42)



We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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