Rozwiąż równanie:
a) 0=(x-1)-(3x-5)
b) 3-(1-x)-(1-2x)=9
c) 0,5(2-4x)=3-x
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0=x-1-3x+5
2x=4
x=2
3-1+x-1+2x=9
3x=8
x=8/3
x=2i2/3
1-2x=3-x
-2x+x=3-1
-x=2
x=-2
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a) 0=(x-1)-(3x-5)
0=x-1-3x+5
2x=4
x=2
b) 3-(1-x)-(1-2x)=9
3-1+x-1+2x=9
3x=8
x=8/3
x=2i2/3
c) 0,5(2-4x)=3-x
1-2x=3-x
-2x+x=3-1
-x=2
x=-2