154=-4(8+2r)

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Solution for 154=-4(8+2r) equation: 



154=-4(8+2r)

We move all terms to the left:

154-(-4(8+2r))=0

We add all the numbers together, and all the variables

-(-4(2r+8))+154=0



We calculate terms in parentheses: -(-4(2r+8)), so:

-4(2r+8)

We multiply parentheses

-8r-32

Back to the equation:

-(-8r-32)



We get rid of parentheses

8r+32+154=0

We add all the numbers together, and all the variables

8r+186=0

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

8r=-186

r=-186/8

r=-23+1/4

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