2-4r-5=1

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Solution for 2-4r-5=1 equation: 



2-4r-5=1

We move all terms to the left:

2-4r-5-(1)=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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