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x in (-oo:+oo)
abs((8*x-7)/8) = 6 // - 6
abs((8*x-7)/8)-6 = 0
abs((8*x-7)/8)-6 = 0
x in (-oo:+oo)
abs((8*x-7)/8)
(8*x-7)/8 >= 0
( 8*x-7 )
8*x-7 >= 0 // + 7
8*x >= 7 // : 8
x >= 7/8
( 8 )
8 >= 0
x należy do R
(-oo:7/8) (7/8:+oo) 8*x-7 - + 8 + +
x in <7/8:+oo)
(8*x-7)/8-6 = 0
x in (-oo:7/8)
-((8*x-7)/8)-6 = 0
abs((8*x-7)/8)-6 = 0
/ | -((8*x-7)/8)-6 = 0 i x in (-oo:7/8) | (8*x-7)/8-6 = 0 i x in <7/8:+oo)
x in (-oo:7/8)
-((8*x-7)/8)-6 = 0
(-1*(8*x-7))/8-6 = 0
(-1*(8*x-7))/8+(-6*8)/8 = 0
-1*(8*x-7)-6*8 = 0
-8*x-41 = 0
(-8*x-41)/8 = 0
(-8*x-41)/8 = 0 // * 8
-8*x-41 = 0
-8*x-41 = 0 // + 41
-8*x = 41 // : -8
x = 41/(-8)
x = -41/8
x in <7/8:+oo)
(8*x-7)/8-6 = 0
(8*x-7)/8+(-6*8)/8 = 0
8*x-6*8-7 = 0
8*x-55 = 0
(8*x-55)/8 = 0
(8*x-55)/8 = 0 // * 8
8*x-55 = 0
8*x-55 = 0 // + 55
8*x = 55 // : 8
x = 55/8
x in { -41/8, 55/8 }
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