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2010-04-14T19:34:23+02:00
2010-04-14T19:34:35+02:00
2x-1/2(3x-2)=7/4-x
2x-1,5x-1=7/4-x
0,5x-1=7/4-x (obu stronnie)/+x +1
1,5x=7/4+1
1,5x=1,75+1
1,5x=2,75 /1,5
x=1,83(3)
3 3 3
2010-04-14T19:35:50+02:00
2x-1/2(3x-2)=7/4-x
2x-1,5x+1=1i3/4-x
2x-1,5x+x=1 i3/4-1
1/2x=3/4 /:/1/2
x=3/4*2/1
x=4/3
x+1 i 1/3
5 4 5