7=a/9

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Solution for 7=a/9 equation: 


a in (-oo:+oo)

7 = a/9 // - a/9

7-(a/9) = 0

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

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

a = -7/(-1/9)

a = 63

a = 63

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