Răspunsuri

2014-10-14T18:18:42+03:00
4(2x-3)+5=7x-12
Inmultim 4 cu ce e in paranteza =>
8x-3+5=7x-12
8x+2=7x-12
Trecem factorii cu x intr-o parte si cei fara in cealalta
8x-7x=-12+2
x=-10
2014-10-14T18:24:17+03:00
4(2x-3)+5=7x-12
Inmultim 4 cu ce e in paranteza =>
8x-3+5=7x-12
8x+2=7x-12
Trecem factorii cu x intr-o parte si cei fara in cealalta
8x-7x=-12+2
x=-10