7=-2(x+4)+8x-9

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Solution for 7=-2(x+4)+8x-9 equation: 



7=-2(x+4)+8x-9

We move all terms to the left:

7-(-2(x+4)+8x-9)=0



We calculate terms in parentheses: -(-2(x+4)+8x-9), so:

-2(x+4)+8x-9

We add all the numbers together, and all the variables

8x-2(x+4)-9

We multiply parentheses

8x-2x-8-9

We add all the numbers together, and all the variables

6x-17

Back to the equation:

-(6x-17)



We get rid of parentheses

-6x+17+7=0

We add all the numbers together, and all the variables

-6x+24=0

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

-6x=-24

x=-24/-6

x=+4

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