109=4(3r+6)+5r

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Solution for 109=4(3r+6)+5r equation:



109=4(3r+6)+5r
We move all terms to the left:
109-(4(3r+6)+5r)=0
We calculate terms in parentheses: -(4(3r+6)+5r), so:
4(3r+6)+5r
We add all the numbers together, and all the variables
5r+4(3r+6)
We multiply parentheses
5r+12r+24
We add all the numbers together, and all the variables
17r+24
Back to the equation:
-(17r+24)
We get rid of parentheses
-17r-24+109=0
We add all the numbers together, and all the variables
-17r+85=0
We move all terms containing r to the left, all other terms to the right
-17r=-85
r=-85/-17
r=+5

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