7/12=x/9 - solution

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Solution for 7/12=x/9 equation:

x in (-oo:+oo)

7/12 = x/9 // - x/9

7/12-(x/9) = 0

7/12-1/9*x = 0 // - 7/12

-1/9*x = -7/12 // : -1/9

x = -7/12/(-1/9)

x = 21/4

x = 21/4

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