2r+4=4(1-9r)

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Solution for 2r+4=4(1-9r) equation: 



2r+4=4(1-9r)

We move all terms to the left:

2r+4-(4(1-9r))=0

We add all the numbers together, and all the variables

2r-(4(-9r+1))+4=0



We calculate terms in parentheses: -(4(-9r+1)), so:

4(-9r+1)

We multiply parentheses

-36r+4

Back to the equation:

-(-36r+4)



We get rid of parentheses

2r+36r-4+4=0

We add all the numbers together, and all the variables

38r=0

r=0/38

r=0

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