12x+8-4x=8+(2x+7x)

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Solution for 12x+8-4x=8+(2x+7x) equation: 



12x+8-4x=8+(2x+7x)

We move all terms to the left:

12x+8-4x-(8+(2x+7x))=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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



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

8+(+9x)

determiningTheFunctionDomain
(+9x)+8

We get rid of parentheses

9x+8

Back to the equation:

-(9x+8)



We get rid of parentheses

8x-9x-8+8=0

We add all the numbers together, and all the variables

-x=0

x=0/-1

x=0

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