2r-4/2=5 - solution

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Solution for 2r-4/2=5 equation:

r in (-oo:+oo)

2*r-(4/2) = 5 // - 5

2*r-(4/2)-5 = 0

2*r-5-2 = 0

2*r-7 = 0 // + 7

2*r = 7 // : 2

r = 7/2

r = 7/2

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