2x/5-4x/5=3

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Solution for 2x/5-4x/5=3 equation: 


x in (-oo:+oo)

(2*x)/5-((4*x)/5) = 3 // - 3

(2*x)/5-((4*x)/5)-3 = 0

(2*x)/5+(-4/5)*x-3 = 0

-2/5*x-3 = 0 // + 3

-2/5*x = 3 // : -2/5

x = 3/(-2/5)

x = -15/2

x = -15/2

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