.-43-4r=3(1-9r)

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Solution for .-43-4r=3(1-9r) equation: 



.-43-4r=3(1-9r)

We move all terms to the left:

.-43-4r-(3(1-9r))=0

We add all the numbers together, and all the variables

-4r-(3(-9r+1))-43+.=0

We add all the numbers together, and all the variables

-4r-(3(-9r+1))=0



We calculate terms in parentheses: -(3(-9r+1)), so:

3(-9r+1)

We multiply parentheses

-27r+3

Back to the equation:

-(-27r+3)



We get rid of parentheses

-4r+27r-3=0

We add all the numbers together, and all the variables

23r-3=0

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

23r=3

r=3/23

r=3/23

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