1/2a-4=4/5a-2

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Solution for 1/2a-4=4/5a-2 equation: 


a in (-oo:+oo)

(1/2)*a-4 = (4/5)*a-2 // - (4/5)*a-2

(1/2)*a-((4/5)*a)-4+2 = 0

(1/2)*a+(-4/5)*a-4+2 = 0

-3/10*a-2 = 0 // + 2

-3/10*a = 2 // : -3/10

a = 2/(-3/10)

a = -20/3

a = -20/3

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