4500/7800+20x=6400/10500+28x

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Solution for 4500/7800+20x=6400/10500+28x equation: 


x in (-oo:+oo)

20*x+4500/7800 = 28*x+6400/10500 // - 28*x+6400/10500

20*x-(28*x)+4500/7800-(6400/10500) = 0

20*x-28*x+4500/7800-64/105 = 0

-8*x-89/2730 = 0 // + 89/2730

-8*x = 89/2730 // : -8

x = 89/2730/(-8)

x = -89/21840

x = -89/21840

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