XDESOCR XDESOCR

31-03-2017
Mathematics

contestada

Find the mistake
3(x-6)+(4x+12)-6x=
3x-9+4x+12-6x=
(3x+4x-6x)+(-9+12)=
x+3

Respuesta :

wolffiegirl wolffiegirl

31-03-2017

the mistake is there is no parenthesis around 4x+12

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Аноним Аноним

01-04-2017

its wrong because there should be no 4x+12

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