zadanie 1
a) 5
b) - 4
c) 2
d) 2
zadanie 2
5:
3x-10=5
5-x=0
3+2x=13
2:
10=5x
-1:
6x+6=0
5-2x=7
3x-5=8x
-2:
2x-4=0
6-2x=-5x
4-2x=8
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zadanie 1
a) 5
b) - 4
c) 2
d) 2
zadanie 2
5:
3x-10=5
5-x=0
3+2x=13
2:
10=5x
-1:
6x+6=0
5-2x=7
3x-5=8x
-2:
2x-4=0
6-2x=-5x
4-2x=8