Răspunsuri

2014-03-28T15:42:58+02:00
(15x-3x-10+2)/2=2
(12x-8)/2=2
24x-16=2
24x=18
x=18/24
x=3/4
2014-03-28T15:46:04+02:00
[(3X-2)x5-1]:2+5=7
(15X-10-1):2=7-5=2
(15X-9):2=2
15X-9=4
15X=13 => X=13/15         Asa cred dar totusi nu-mi suna mie bine. Sper ca te-am ajutat cu ceva sau ti-am dat o idee