2/9=7r/7

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Solution for 2/9=7r/7 equation: 


r in (-oo:+oo)

2/9 = (7*r)/7 // - (7*r)/7

2/9-((7*r)/7) = 0

2/9-r = 0

2/9-r = 0 // - 2/9

-r = -2/9 // * -1

r = 2/9

r = 2/9

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