5=2(r+5)-9

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Solution for 5=2(r+5)-9 equation: 



5=2(r+5)-9

We move all terms to the left:

5-(2(r+5)-9)=0



We calculate terms in parentheses: -(2(r+5)-9), so:

2(r+5)-9

We multiply parentheses

2r+10-9

We add all the numbers together, and all the variables

2r+1

Back to the equation:

-(2r+1)



We get rid of parentheses

-2r-1+5=0

We add all the numbers together, and all the variables

-2r+4=0

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

-2r=-4

r=-4/-2

r=+2

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