5(4+9)-2(1-r)=1

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Solution for 5(4+9)-2(1-r)=1 equation: 



5(4+9)-2(1-r)=1

We move all terms to the left:

5(4+9)-2(1-r)-(1)=0

determiningTheFunctionDomain
-2(1-r)-1+5(4+9)=0

We add all the numbers together, and all the variables

-2(-1r+1)-1+513=0

We add all the numbers together, and all the variables

-2(-1r+1)+512=0

We multiply parentheses

2r-2+512=0

We add all the numbers together, and all the variables

2r+510=0

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

2r=-510

r=-510/2

r=-255

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