8x=-4(9+1x)

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Solution for 8x=-4(9+1x) equation: 



8x=-4(9+1x)

We move all terms to the left:

8x-(-4(9+1x))=0

We add all the numbers together, and all the variables

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



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

-4(x+9)

We multiply parentheses

-4x-36

Back to the equation:

-(-4x-36)



We get rid of parentheses

8x+4x+36=0

We add all the numbers together, and all the variables

12x+36=0

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

12x=-36

x=-36/12

x=-3

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