-3/7(x)=-9

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Solution for -3/7(x)=-9 equation: 


x in (-oo:+oo)

(-3/7)*x = -9 // + 9

(-3/7)*x+9 = 0

9-3/7*x = 0 // - 9

-3/7*x = -9 // : -3/7

x = -9/(-3/7)

x = 21

x = 21

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