4+9=4-4(x+3)-3x

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Solution for 4+9=4-4(x+3)-3x equation: 



4+9=4-4(x+3)-3x

We move all terms to the left:

4+9-(4-4(x+3)-3x)=0

We add all the numbers together, and all the variables

-(4-4(x+3)-3x)+13=0



We calculate terms in parentheses: -(4-4(x+3)-3x), so:

4-4(x+3)-3x

determiningTheFunctionDomain
-4(x+3)-3x+4

We add all the numbers together, and all the variables

-3x-4(x+3)+4

We multiply parentheses

-3x-4x-12+4

We add all the numbers together, and all the variables

-7x-8

Back to the equation:

-(-7x-8)



We get rid of parentheses

7x+8+13=0

We add all the numbers together, and all the variables

7x+21=0

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

7x=-21

x=-21/7

x=-3

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