Zad 10 str 174 Napisz po dwa rownania rownowazne podanym rownaniom. a) 3x = 15 b) 4x-12=0 c)7-x=5
a)
3x=15
2x-4=6
3x+1=16
b)4x-12=0
3x-9=0
5x-15=0
c)7-x=5
3-(-x)=5
10-x=8
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a)
3x=15
2x-4=6
3x+1=16
b)4x-12=0
3x-9=0
5x-15=0
c)7-x=5
3-(-x)=5
10-x=8