-15/3r-2r=-11/9

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Solution for -15/3r-2r=-11/9 equation: 


r in (-oo:+oo)

(-15/3)*r-(2*r) = -11/9 // + -11/9

(-15/3)*r-(2*r)-(-11/9) = 0

(-15/3)*r-2*r+11/9 = 0

11/9-7*r = 0 // - 11/9

-7*r = -11/9 // : -7

r = -11/9/(-7)

r = 11/63

r = 11/63

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