4(5-x)=3(x+7)

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Solution for 4(5-x)=3(x+7) equation: 



4(5-x)=3(x+7)

We move all terms to the left:

4(5-x)-(3(x+7))=0

We add all the numbers together, and all the variables

4(-1x+5)-(3(x+7))=0

We multiply parentheses

-4x-(3(x+7))+20=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+20=0

We add all the numbers together, and all the variables

-7x-1=0

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

-7x=1

x=1/-7

x=-1/7

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