Question

x+2y-z=3,3x-y+2z=1,x+2y+3z=3

Answer 1

Answer:

x+2y-z=3

3x-y+2z=1

x+2y+3z=3

---------------------

3x+4y+5z=7

----------------------

ANSWER IS 3x+4y+5z=7....

HOPE IT'S HELP YOU.......MARK ME AS A BRALLIST..........

Answer 2

Answer:

788x+673

Step-by-step explanation:

kw jrhuej2yee3ueiejwieiheejjejeeir