8x/3x-7x=5

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Solution for 8x/3x-7x=5 equation: 


x in (-oo:+oo)

((8*x)/3)*x-(7*x) = 5 // - 5

((8*x)/3)*x-(7*x)-5 = 0

((8*x)/3)*x-7*x-5 = 0

8/3*x^2-7*x-5 = 0

DELTA = (-7)^2-(-5*8/3*4)

DELTA = 307/3

DELTA > 0

x = ((307/3)^(1/2)+7)/(2*8/3) or x = (7-(307/3)^(1/2))/(2*8/3)

x = 3/16*((307/3)^(1/2)+7) or x = 3/16*(7-(307/3)^(1/2))

x in { 3/16*(7-(307/3)^(1/2)), 3/16*((307/3)^(1/2)+7) }

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