Odpowiedź:
2-1/3x=-1+1/2x
-1/3x-1/2x=-1-2
-2/6x-3/6x=-3
-5/6x=-3 |×(-6)
5x=18
X=18:5
X=3i3/5
3-1/3x+1/4x=2
-1/3x+1/4x=2-3
-4/12x+3/12x=-1
-1/12x=-1 |× (-12)
X=12
2+1/4x=1/5
1/4x=1/5-2
1/4x=1/5-10/5
1/4x=9/5 |×4
X=9/5*4/1
X=36/5
X=7i1/5
3/4x=1/2 |×4
3x=2
X=2/3