7-4r=5

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Solution for 7-4r=5 equation: 



7-4r=5

We move all terms to the left:

7-4r-(5)=0

We add all the numbers together, and all the variables

-4r+2=0

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

-4r=-2

r=-2/-4

r=1/2

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