5/2r+2r=5 - solution

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Solution for 5/2r+2r=5 equation:

r in (-oo:+oo)

(5/2)*r+2*r = 5 // - 5

(5/2)*r+2*r-5 = 0

9/2*r-5 = 0 // + 5

9/2*r = 5 // : 9/2

r = 5/9/2

r = 10/9

r = 10/9

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