7/15=y/9

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Solution for 7/15=y/9 equation: 


y in (-oo:+oo)

7/15 = y/9 // - y/9

7/15-(y/9) = 0

7/15-1/9*y = 0 // - 7/15

-1/9*y = -7/15 // : -1/9

y = -7/15/(-1/9)

y = 21/5

y = 21/5

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