3x-1=7-2(x+9)

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Solution for 3x-1=7-2(x+9) equation: 



3x-1=7-2(x+9)

We move all terms to the left:

3x-1-(7-2(x+9))=0



We calculate terms in parentheses: -(7-2(x+9)), so:

7-2(x+9)

determiningTheFunctionDomain
-2(x+9)+7

We multiply parentheses

-2x-18+7

We add all the numbers together, and all the variables

-2x-11

Back to the equation:

-(-2x-11)



We get rid of parentheses

3x+2x+11-1=0

We add all the numbers together, and all the variables

5x+10=0

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

5x=-10

x=-10/5

x=-2

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