9/11=a/7

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Solution for 9/11=a/7 equation: 


a in (-oo:+oo)

9/11 = a/7 // - a/7

9/11-(a/7) = 0

9/11-1/7*a = 0 // - 9/11

-1/7*a = -9/11 // : -1/7

a = -9/11/(-1/7)

a = 63/11

a = 63/11

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