5-r=7.1

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Solution for 5-r=7.1 equation: 



5-r=7.1

We move all terms to the left:

5-r-(7.1)=0

We add all the numbers together, and all the variables

-1r-2.1=0

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

-r=2.1

r=2.1/-1

r=-2+0.1/1

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