8-4r=r-2

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Solution for 8-4r=r-2 equation:



8-4r=r-2
We move all terms to the left:
8-4r-(r-2)=0
We get rid of parentheses
-4r-r+2+8=0
We add all the numbers together, and all the variables
-5r+10=0
We move all terms containing r to the left, all other terms to the right
-5r=-10
r=-10/-5
r=+2

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