7r-1/2r=273

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Solution for 7r-1/2r=273 equation: 


r in (-oo:+oo)

7*r-((1/2)*r) = 273 // - 273

7*r-((1/2)*r)-273 = 0

7*r+(-1/2)*r-273 = 0

13/2*r-273 = 0 // + 273

13/2*r = 273 // : 13/2

r = 273/13/2

r = 42

r = 42

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