1.Rozwiąż równanie:
a) I2x+1I=Ix+5I
b) I2x-5I=Ix-1I
[2x+1]=[x+5]
2x-x=5-1
x=4
[2x-5]=[x-1]
2x-x=-1+5
x=-4
licze na naj ;)
a)2x+1=x+5
b)2x+5=x+1
2x-x=1-5
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[2x+1]=[x+5]
2x-x=5-1
x=4
[2x-5]=[x-1]
2x-x=-1+5
x=-4
licze na naj ;)
a)2x+1=x+5
2x-x=5-1
x=4
b)2x+5=x+1
2x-x=1-5
x=-4