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

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



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

We move all terms to the left:

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

We multiply parentheses

4x+12x-(4(7x+3))+21=0



We calculate terms in parentheses: -(4(7x+3)), so:

4(7x+3)

We multiply parentheses

28x+12

Back to the equation:

-(28x+12)



We add all the numbers together, and all the variables

16x-(28x+12)+21=0

We get rid of parentheses

16x-28x-12+21=0

We add all the numbers together, and all the variables

-12x+9=0

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

-12x=-9

x=-9/-12

x=3/4

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