2r-5r=42

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Solution for 2r-5r=42 equation:



2r-5r=42
We move all terms to the left:
2r-5r-(42)=0
We add all the numbers together, and all the variables
-3r-42=0
We move all terms containing r to the left, all other terms to the right
-3r=42
r=42/-3
r=-14

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