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x in (-oo:+oo)
6-(7*x)-(9/5) = x+3/2 // - x+3/2
6-(7*x)-x-(9/5)-(3/2) = 0
6-7*x-x-9/5-3/2 = 0
27/10-8*x = 0 // - 27/10
-8*x = -27/10 // : -8
x = -27/10/(-8)
x = 27/80
x = 27/80
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