Rozwiąż równanie:
a) 2(x-jednadruga)-x+3=3
2(x-1/2)-x+3=3
2x-1-x+3=3
x=1
2x -2/2 -x+3=3
2x-x=3+1-3
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2(x-1/2)-x+3=3
2x-1-x+3=3
x=1
2(x-1/2)-x+3=3
2x -2/2 -x+3=3
2x-1-x+3=3
2x-x=3+1-3
x=1