r+r+4/3=28

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Solution for r+r+4/3=28 equation:


r in (-oo:+oo)

r+r+4/3 = 28 // - 28

r+r+4/3-28 = 0

2*r-80/3 = 0 // + 80/3

2*r = 80/3 // : 2

r = 80/3/2

r = 40/3

r = 40/3

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