Question

15+deschidem paranteza x+2 Închidem paranteza +21 egal 47

Answer 1

15+(x+2)+21=47
15+(x+2)=47-21=26
x+2=26-15=11
x=11-2
x=9

Answer 2

15+(x+2)+21=47
15+(x+2)=47-21
15+(x+2)=26
x+2=26-15
x+2=11
x=11-2
x=9.