7-3r=4-4(2+r)

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Solution for 7-3r=4-4(2+r) equation: 



7-3r=4-4(2+r)

We move all terms to the left:

7-3r-(4-4(2+r))=0

We add all the numbers together, and all the variables

-3r-(4-4(r+2))+7=0



We calculate terms in parentheses: -(4-4(r+2)), so:

4-4(r+2)

determiningTheFunctionDomain
-4(r+2)+4

We multiply parentheses

-4r-8+4

We add all the numbers together, and all the variables

-4r-4

Back to the equation:

-(-4r-4)



We get rid of parentheses

-3r+4r+4+7=0

We add all the numbers together, and all the variables

r+11=0

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

r=-11

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