a/4-2a/5=-2/9

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


a in (-oo:+oo)

a/4-((2*a)/5) = -2/9 // + -2/9

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

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

2/9-3/20*a = 0 // - 2/9

-3/20*a = -2/9 // : -3/20

a = -2/9/(-3/20)

a = 40/27

a = 40/27

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