Question

a) 2 (x+1)+1=x + 15 va rog!​

Answer 1

2 (x+1)+1=x + 15

2x+2+1=x+15

2x-x=15-2-1

x=13-1

x=12

Answer 2

Răspuns:

• x = 12

Explicație pas cu pas:

2(x + 1) + 1 = x + 15

2x + 2 + 1 = x + 15

2x + 3 = x + 15

2x - x = 15 - 3

x = 12