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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-x-(9+4(-1x+2))+8=0

We add all the numbers together, and all the variables

-1x-(9+4(-1x+2))+8=0



We calculate terms in parentheses: -(9+4(-1x+2)), so:

9+4(-1x+2)

determiningTheFunctionDomain
4(-1x+2)+9

We multiply parentheses

-4x+8+9

We add all the numbers together, and all the variables

-4x+17

Back to the equation:

-(-4x+17)



We get rid of parentheses

-1x+4x-17+8=0

We add all the numbers together, and all the variables

3x-9=0

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

3x=9

x=9/3

x=3

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