8x+4=4(7x+21)

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Solution for 8x+4=4(7x+21) equation: 



8x+4=4(7x+21)

We move all terms to the left:

8x+4-(4(7x+21))=0



We calculate terms in parentheses: -(4(7x+21)), so:

4(7x+21)

We multiply parentheses

28x+84

Back to the equation:

-(28x+84)



We get rid of parentheses

8x-28x-84+4=0

We add all the numbers together, and all the variables

-20x-80=0

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

-20x=80

x=80/-20

x=-4

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