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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

4(-1x+7)-(3(x-7))=0

We multiply parentheses

-4x-(3(x-7))+28=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

-4x-3x+21+28=0

We add all the numbers together, and all the variables

-7x+49=0

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

-7x=-49

x=-49/-7

x=+7

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