2/5x-5/9x=4

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Solution for 2/5x-5/9x=4 equation: 


x in (-oo:+oo)

(2/5)*x-((5/9)*x) = 4 // - 4

(2/5)*x-((5/9)*x)-4 = 0

(2/5)*x+(-5/9)*x-4 = 0

-7/45*x-4 = 0 // + 4

-7/45*x = 4 // : -7/45

x = 4/(-7/45)

x = -180/7

x = -180/7

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