Question

2x-3y-4z+5x-2y-8z is a answer​

Answer 1

Step-by-step explanation:

A

Required sum,

=(x−3y+4z)+(y−2x−8z)+(5x−2y−3z)

Collecting like terms,

−x−2x+5x−3y+y−2y+4z−8z−3z

Adding like terms,

=(1−2+5)x+(−3+1−2)y+(4−8−3)z

=4x−4y−7z