siemkamoze ktos rozwiazac to zadanie 2x+1=7-x 18-7y=2y-57 6,8z+6=z+24 a-4=2/3a-8 6 4/5=1/7b-1/5
2x+1=7-x
2x+x=7-1
3x=6
x=2
18-7y=2y-57
-7y-2y=-57-18
-9y=-75
y=75/9
y=8i1/3
6,8z+6=z+24
6,8z-z=24-6
5,8z=18 /:5,8
z=18:58/10
z=18*10/58
z=3i3/29
a-4=2/3a-8
a-2/3a=-8+4
1/3a=-4 /*3
a=-12
6i4/5=1/7b-1/5
-1/7b=-1/5-34/5
-1/7b=-35/5 /*-7
b=49
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2x+1=7-x
2x+x=7-1
3x=6
x=2
18-7y=2y-57
-7y-2y=-57-18
-9y=-75
y=75/9
y=8i1/3
6,8z+6=z+24
6,8z-z=24-6
5,8z=18 /:5,8
z=18:58/10
z=18*10/58
z=3i3/29
a-4=2/3a-8
a-2/3a=-8+4
1/3a=-4 /*3
a=-12
6i4/5=1/7b-1/5
-1/7b=-1/5-34/5
-1/7b=-35/5 /*-7
b=49