-y/7=1/9

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Solution for -y/7=1/9 equation: 


y in (-oo:+oo)

-y/7 = 1/9 // - 1/9

-y/7-(1/9) = 0

-y/7-1/9 = 0

-1/7*y-1/9 = 0 // + 1/9

-1/7*y = 1/9 // : -1/7

y = 1/9/(-1/7)

y = -7/9

y = -7/9

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