Răspunsuri

2014-05-27T22:51:58+03:00


2a. x + 5 = 4

x = 4 - 5

x = -1

b. x : 3 = -4

x = -4 x 3

x = -12

c. x : (-8) = 2

x = 2 x ( -8 )

x = -16

La 2a ai copiat gresit exercitiul...
-2x=-7-3
-2x=-7-3 -2x=10 x=- 10/2 x=5
  • Utilizator Brainly
2014-05-27T22:56:15+03:00
1) -2x.+3=-7/-3 .-2x=-10/:(-2) x=5 2) a) x=-9 b)-12 c) x=-16