👤
Stefandpopescu
a fost răspuns

12345678910111213141516​

12345678910111213141516 class=

Răspuns :

Iakabcristina2
a) 2x + 2 + 3x + 6 = -2
5x = -2 - 8
5x = -10 => x = -2

b) 5x + 15 - 2x - 6 = 12
3x = 12 - 9
3x = 3 => x = 1
Dianageorgiana794

Răspuns:

2(x+1)+3(x+2)=-2

2x+2+3x+6=-2

5x=-2-8

x=-10:5

x=-2

_________

5(x+3)-2(x+3)=12

5x+15-2x-6=12

3x=12-9

x=3:3

x=1

Alte intrebari