Prosze o szybką pomoc w zadaniu z x : 3(x+2/3 razy x)=12+(x+1/2x)3
3(x+2/3 razy x)=12+(x+1/2x)3
3(x+⅔×)=12+(x+½×)3
3x+2x=12+3x+1,5
3x+2x-3x=12+1,5
2x=13,5 | :2
x=6,75
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3(x+2/3 razy x)=12+(x+1/2x)3
3(x+⅔×)=12+(x+½×)3
3x+2x=12+3x+1,5
3x+2x-3x=12+1,5
2x=13,5 | :2
x=6,75