5(r+9)-21(1-r)=1

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Solution for 5(r+9)-21(1-r)=1 equation: 



5(r+9)-21(1-r)=1

We move all terms to the left:

5(r+9)-21(1-r)-(1)=0

We add all the numbers together, and all the variables

5(r+9)-21(-1r+1)-1=0

We multiply parentheses

5r+21r+45-21-1=0

We add all the numbers together, and all the variables

26r+23=0

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

26r=-23

r=-23/26

r=-23/26

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