bisa dibantu kaka soalnya

Mapel : Matematika
bab : SPLDV

2x + y = 14
3x - y = 6
_________ +
5x = 20
x = 20/5
x = 4

2x + y = 14
2(4) + y = 14
8 + y = 14
y = 14 - 8
y = 6

X + Y = 4 + 6 = 10

( B )