2x-4+(5x+7)=-2(x+3)

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Solution for 2x-4+(5x+7)=-2(x+3) equation: 



2x-4+(5x+7)=-2(x+3)

We move all terms to the left:

2x-4+(5x+7)-(-2(x+3))=0

We get rid of parentheses

2x+5x-(-2(x+3))+7-4=0



We calculate terms in parentheses: -(-2(x+3)), so:

-2(x+3)

We multiply parentheses

-2x-6

Back to the equation:

-(-2x-6)



We add all the numbers together, and all the variables

7x-(-2x-6)+3=0

We get rid of parentheses

7x+2x+6+3=0

We add all the numbers together, and all the variables

9x+9=0

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

9x=-9

x=-9/9

x=-1

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