4(7-x)=3(9-x)

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Solution for 4(7-x)=3(9-x) equation: 



4(7-x)=3(9-x)

We move all terms to the left:

4(7-x)-(3(9-x))=0

We add all the numbers together, and all the variables

4(-1x+7)-(3(-1x+9))=0

We multiply parentheses

-4x-(3(-1x+9))+28=0



We calculate terms in parentheses: -(3(-1x+9)), so:

3(-1x+9)

We multiply parentheses

-3x+27

Back to the equation:

-(-3x+27)



We get rid of parentheses

-4x+3x-27+28=0

We add all the numbers together, and all the variables

-1x+1=0

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

-x=-1

x=-1/-1

x=1

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