3-8x=7(3-x)

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Solution for 3-8x=7(3-x) equation: 



3-8x=7(3-x)

We move all terms to the left:

3-8x-(7(3-x))=0

We add all the numbers together, and all the variables

-8x-(7(-1x+3))+3=0



We calculate terms in parentheses: -(7(-1x+3)), so:

7(-1x+3)

We multiply parentheses

-7x+21

Back to the equation:

-(-7x+21)



We get rid of parentheses

-8x+7x-21+3=0

We add all the numbers together, and all the variables

-1x-18=0

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

-x=18

x=18/-1

x=-18

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