3-(8+2x)=7+3(x-9)

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Solution for 3-(8+2x)=7+3(x-9) equation: 



3-(8+2x)=7+3(x-9)

We move all terms to the left:

3-(8+2x)-(7+3(x-9))=0

We add all the numbers together, and all the variables

-(2x+8)-(7+3(x-9))+3=0

We get rid of parentheses

-2x-(7+3(x-9))-8+3=0



We calculate terms in parentheses: -(7+3(x-9)), so:

7+3(x-9)

determiningTheFunctionDomain
3(x-9)+7

We multiply parentheses

3x-27+7

We add all the numbers together, and all the variables

3x-20

Back to the equation:

-(3x-20)



We add all the numbers together, and all the variables

-2x-(3x-20)-5=0

We get rid of parentheses

-2x-3x+20-5=0

We add all the numbers together, and all the variables

-5x+15=0

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

-5x=-15

x=-15/-5

x=+3

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