8-2r=-7+3r

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Solution for 8-2r=-7+3r equation:



8-2r=-7+3r
We move all terms to the left:
8-2r-(-7+3r)=0
We add all the numbers together, and all the variables
-2r-(3r-7)+8=0
We get rid of parentheses
-2r-3r+7+8=0
We add all the numbers together, and all the variables
-5r+15=0
We move all terms containing r to the left, all other terms to the right
-5r=-15
r=-15/-5
r=+3

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