Question

2x+ y = 3 ,
2y + 3z = 4 ,
2z+2x=8​

Answer 1

Step-by-step explanation:

x+y=3/2,

y+z=6,

z+x=8

thus, z+x+y+z+x+y=3/2+6+8=14

2z+2x+2y=3+28/2=31/2

2z+x+2y=31

2z+x+y=31/2

z+x+y=31