3x-9=7x-(2x-1)

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Solution for 3x-9=7x-(2x-1) equation: 



3x-9=7x-(2x-1)

We move all terms to the left:

3x-9-(7x-(2x-1))=0



We calculate terms in parentheses: -(7x-(2x-1)), so:

7x-(2x-1)

We get rid of parentheses

7x-2x+1

We add all the numbers together, and all the variables

5x+1

Back to the equation:

-(5x+1)



We get rid of parentheses

3x-5x-1-9=0

We add all the numbers together, and all the variables

-2x-10=0

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

-2x=10

x=10/-2

x=-5

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