160=8r+4(2r+8)

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Solution for 160=8r+4(2r+8) equation: 



160=8r+4(2r+8)

We move all terms to the left:

160-(8r+4(2r+8))=0



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

8r+4(2r+8)

We multiply parentheses

8r+8r+32

We add all the numbers together, and all the variables

16r+32

Back to the equation:

-(16r+32)



We get rid of parentheses

-16r-32+160=0

We add all the numbers together, and all the variables

-16r+128=0

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

-16r=-128

r=-128/-16

r=+8

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