Răspuns :
⛅BUNĂ!✌
☀RĂSPUNS: x € { 3; -7}✔
| x + 2 | = 5 ==> 1) x + 2 = 5
2) x + 2 = -5
1) x + 2 = 5
x = 5 - 2
x = 3
2) x + 2 = -5
x = -5 - 2
x = -7
S = { 3; -7 }
| x + 2 | = 5 ==> 1) x + 2 = 5
2) x + 2 = -5
1) x + 2 = 5
x = 5 - 2
x = 3
2) x + 2 = -5
x = -5 - 2
x = -7
S = { 3; -7 }