-18=-2/9(-18r-36)

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Solution for -18=-2/9(-18r-36) equation: 



-18=-2/9(-18r-36)

We move all terms to the left:

-18-(-2/9(-18r-36))=0



Domain of the equation: 9(-18r-36))!=0

r∈R



We multiply all the terms by the denominator


-(-2-18*9(-18r-36))=0



We calculate terms in parentheses: -(-2-18*9(-18r-36)), so:

-2-18*9(-18r-36)

determiningTheFunctionDomain
-18*9(-18r-36)-2

Wy multiply elements

-162r(--2

We use the square of the difference formula

-162r(+2

Back to the equation:

-(-162r(+2)



We add all the numbers together, and all the variables

-(-162r2=0

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