7/9x=21/15

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Solution for 7/9x=21/15 equation: 


x in (-oo:+oo)

(7/9)*x = 21/15 // - 21/15

(7/9)*x-(21/15) = 0

(7/9)*x-7/5 = 0

7/9*x-7/5 = 0 // + 7/5

7/9*x = 7/5 // : 7/9

x = 7/5/7/9

x = 9/5

x = 9/5

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