3(3x+7)=4-7(x+9)

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Solution for 3(3x+7)=4-7(x+9) equation: 



3(3x+7)=4-7(x+9)

We move all terms to the left:

3(3x+7)-(4-7(x+9))=0

We multiply parentheses

9x-(4-7(x+9))+21=0



We calculate terms in parentheses: -(4-7(x+9)), so:

4-7(x+9)

determiningTheFunctionDomain
-7(x+9)+4

We multiply parentheses

-7x-63+4

We add all the numbers together, and all the variables

-7x-59

Back to the equation:

-(-7x-59)



We get rid of parentheses

9x+7x+59+21=0

We add all the numbers together, and all the variables

16x+80=0

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

16x=-80

x=-80/16

x=-5

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