a)2x+5/6x=x
2x+0,83x=x /-x-0,83
2x-x=-0,83
x= -0,83
b) -4x+20/xdo kw.-5x=0
14x+20-20/xkw.-5x=0-20
-4x/xkw.-5x=-20
-4x -9x
------= -20 ---------------
x do kw x do kw.
-20=-9x/x do kw.
-20=-9x/x do kw. /*x2
-20*xdo kw.=-9xx*x do kw.
-20x do kw. =-9x do kw. /-x do kw.
-20x do kw.-x do kw=-9x do pot. 3-c do kw.=-20=-9x
-20/9
x= 2.22
mam nadzieje ze pomoglam :P
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a)2x+5/6x=x
2x+0,83x=x /-x-0,83
2x-x=-0,83
x= -0,83
b) -4x+20/xdo kw.-5x=0
14x+20-20/xkw.-5x=0-20
-4x/xkw.-5x=-20
-4x -9x
------= -20 ---------------
x do kw x do kw.
-20=-9x/x do kw.
-20=-9x/x do kw. /*x2
-20*xdo kw.=-9xx*x do kw.
-20x do kw. =-9x do kw. /-x do kw.
-20x do kw.-x do kw=-9x do pot. 3-c do kw.=-20=-9x
-20/9
x= 2.22
mam nadzieje ze pomoglam :P