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4x-5x-x=5-7/2+1/6 Sprowadzam wszystko do jednego mianownika 6
-2x=52/6 |:(-2)
x=26/6=4,1/3 (4 i 1/3=4,(3))
2,1/2 - x-1/3=1/7
-x=1/7-2,1/2+1/3
-x=-86/84
x=86/84
3x+5/5-2x+1/8= 1/2 (2-X)
x+1,1/8=1-1/2x
1,5x=-1/8
x=-1/12