5(r-1)=r-1

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Solution for 5(r-1)=r-1 equation: 



5(r-1)=r-1

We move all terms to the left:

5(r-1)-(r-1)=0

We multiply parentheses

5r-(r-1)-5=0

We get rid of parentheses

5r-r+1-5=0

We add all the numbers together, and all the variables

4r-4=0

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

4r=4

r=4/4

r=1

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