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x in (-oo:+oo)
(2/3)*(7/8-(4*x))-(5/8) < 3/8 // - 3/8
(2/3)*(7/8-(4*x))-(5/8)-(3/8) < 0
(2/3)*(7/8-4*x)-5/8-3/8 < 0
2/3*(7/8-4*x)-5/8-3/8 < 0
(2/3*8*(7/8-4*x))/8-5/8-3/8 < 0
2/3*8*(7/8-4*x)-5-3 < 0
-64/3*x-3-1/3 < 0
-64/3*x-10/3 < 0
(-64/3*x-10/3)/8 < 0
(-64/3*x-10/3)/8 < 0 // * 8^2
8*(-64/3*x-10/3) < 0
( -64/3*x-10/3 )
-64/3*x-10/3 < 0 // + 10/3
-64/3*x < 10/3 // : -64/3
x > 10/3/(-64/3)
x > -5/32
( 8 )
8 < 0
x belongs to the empty set
(-oo:-5/32) (-5/32:+oo) -64/3*x-10/3 + - 8 + +
x in (-5/32:+oo)
(-5/32:+oo)
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