oblicz;jedna drugax-trzy drugie=2x-3
1:2-3:2=2x-3
0,5-1,5=2x-3
-1=2x-3/+3
2=2x/:2
x=1
Sprawdzenie:-1=2x1-3
pozdrawiam
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1:2-3:2=2x-3
0,5-1,5=2x-3
-1=2x-3/+3
2=2x/:2
x=1
Sprawdzenie:-1=2x1-3
pozdrawiam