7(3-x)=5(4-2x)

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Solution for 7(3-x)=5(4-2x) equation: 



7(3-x)=5(4-2x)

We move all terms to the left:

7(3-x)-(5(4-2x))=0

We add all the numbers together, and all the variables

7(-1x+3)-(5(-2x+4))=0

We multiply parentheses

-7x-(5(-2x+4))+21=0



We calculate terms in parentheses: -(5(-2x+4)), so:

5(-2x+4)

We multiply parentheses

-10x+20

Back to the equation:

-(-10x+20)



We get rid of parentheses

-7x+10x-20+21=0

We add all the numbers together, and all the variables

3x+1=0

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

3x=-1

x=-1/3

x=-1/3

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