3=7(x+4)

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



3=7(x+4)

We move all terms to the left:

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



We calculate terms in parentheses: -(7(x+4)), so:

7(x+4)

We multiply parentheses

7x+28

Back to the equation:

-(7x+28)



We get rid of parentheses

-7x-28+3=0

We add all the numbers together, and all the variables

-7x-25=0

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

-7x=25

x=25/-7

x=-3+4/7

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