Question

Cum se rezolva exercițiile 2(x+1)-4<6

Answer 1

2(x+1)-4<6
2x+2-4<6
2x-2<6
2x<6+2
2x<8
x<8:2
x<4
x aparține (-∞;4)

Answer 2

2(x+1)-4<6

2(x+1)-4+4<6+4

2(x+1)<10

2(x+1)/2<10/2

x+1<5

x + 1 - 1< 5 - 1

x < 4
 
x ∈ (-∞, 4)