--88=-4(1+3r)

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Solution for --88=-4(1+3r) equation: 



--88=-4(1+3r)

We move all terms to the left:

--88-(-4(1+3r))=0

We add all the numbers together, and all the variables

-(-4(3r+1))-88-=0

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(-4(3r+1)), so:

-4(3r+1)

We multiply parentheses

-12r-4

Back to the equation:

-(-12r-4)



We get rid of parentheses

12r+4=0

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

12r=-4

r=-4/12

r=-1/3

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