Question

What s the sum of (2x + 3y+4z)
(-x-2y+3z), (x+y+z)​

Answer 1

Answer:

$(2x + 3y + 4z) + ( - x - 2y + 3z) + (x + y + z)$

$= 2x + 3y + 4z - x - 2y + 3z + x + y + z$

$= 2x + 2y + 8z$

$= 2(x + y + 4z)$

It's your answer, I hope you understand...