Rozwiąż równania: a) x-1=2 b)2x=x+2 c) 2(x-3)=1 d) 2x+3=x+1 e)-(x-1)=0
a) x-1=2
x=3
b)2x=x+2
x=2
c) 2(x-3)=1
2x=1+6
x=3,5
d) 2x+3=x+1
x=-2
e)-(x-1)=0
x=1
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a) x-1=2
x=3
b)2x=x+2
x=2
c) 2(x-3)=1
2x=1+6
x=3,5
d) 2x+3=x+1
x=-2
e)-(x-1)=0
x=1