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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(9-9(x+4)+8x)+12=0



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

9-9(x+4)+8x

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

We add all the numbers together, and all the variables

8x-9(x+4)+9

We multiply parentheses

8x-9x-36+9

We add all the numbers together, and all the variables

-1x-27

Back to the equation:

-(-1x-27)



We get rid of parentheses

1x+27+12=0

We add all the numbers together, and all the variables

x+39=0

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

x=-39

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