9x-1=7(x-3)

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



9x-1=7(x-3)

We move all terms to the left:

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



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

7(x-3)

We multiply parentheses

7x-21

Back to the equation:

-(7x-21)



We get rid of parentheses

9x-7x+21-1=0

We add all the numbers together, and all the variables

2x+20=0

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

2x=-20

x=-20/2

x=-10

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