7x-2(x-1)=9x+20-3x

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Solution for 7x-2(x-1)=9x+20-3x equation: 



7x-2(x-1)=9x+20-3x

We move all terms to the left:

7x-2(x-1)-(9x+20-3x)=0

We add all the numbers together, and all the variables

7x-2(x-1)-(6x+20)=0

We multiply parentheses

7x-2x-(6x+20)+2=0

We get rid of parentheses

7x-2x-6x-20+2=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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