7/12=16/21x

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Solution for 7/12=16/21x equation: 


x in (-oo:+oo)

7/12 = (16/21)*x // - (16/21)*x

7/12-((16/21)*x) = 0

(-16/21)*x+7/12 = 0

7/12-16/21*x = 0 // - 7/12

-16/21*x = -7/12 // : -16/21

x = -7/12/(-16/21)

x = 49/64

x = 49/64

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