3(x-2)+2=9
3x-6+2=9
3x-4=9
3x=9+4
3x=13/3
x=4 1/3
3x=9+6-2
3x=13/:3
x=4 1/3 (cztery i jedna trzecia)
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3(x-2)+2=9
3x-6+2=9
3x-4=9
3x=9+4
3x=13/3
x=4 1/3
3(x-2)+2=9
3x-6+2=9
3x=9+6-2
3x=13/:3
x=4 1/3 (cztery i jedna trzecia)