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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

2x-(2(2x-4))+9=0



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

2(2x-4)

We multiply parentheses

4x-8

Back to the equation:

-(4x-8)



We get rid of parentheses

2x-4x+8+9=0

We add all the numbers together, and all the variables

-2x+17=0

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

-2x=-17

x=-17/-2

x=8+1/2

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