94=-4(2r-5)

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Solution for 94=-4(2r-5) equation: 



94=-4(2r-5)

We move all terms to the left:

94-(-4(2r-5))=0



We calculate terms in parentheses: -(-4(2r-5)), so:

-4(2r-5)

We multiply parentheses

-8r+20

Back to the equation:

-(-8r+20)



We get rid of parentheses

8r-20+94=0

We add all the numbers together, and all the variables

8r+74=0

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

8r=-74

r=-74/8

r=-9+1/4

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