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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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



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

(-3x+7)

We get rid of parentheses

-3x+7

Back to the equation:

-(-3x+7)



We get rid of parentheses

-1x+3x-7+9=0

We add all the numbers together, and all the variables

2x+2=0

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

2x=-2

x=-2/2

x=-1

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