Răspunsuri

2014-03-04T21:02:43+02:00
{[(7-3)x5-2+3]:7+9}:x=4
[(4x5-2+3):7+9]:x=4
[(40-2+3):7+9]:x=4
(41:7+9):x=4
(41+63)/7:x=4
104/7.1/x=4=> 104/7x=4=> 104= 28x|:28
x=104/28 =52/14=26/7
  • Utilizator Brainly
2014-03-04T21:23:34+02:00
{[(7-3)*5-2+3]:7+9}:x=4
[(4*5-2+3):7+9]:x=4
[(20-2+3):7+9]:x=4
(21:7+9):x=4
12:x=4
x=12:4
x=3
1 1 1