Question

Add: x + y -2z, 4x+6y -2z and -2x -7y +9x.​

Answer 1

Answer:

After writing all the equation we will write =0

Step-by-step explanation:

then

2z will he aded to 2z

4z and 4x+2x-9x=-3x and 7y+6y=13y

then x+y+4z-9x-13x=0

THATS IT HOPE YOU UNDERSTAND

PLEASE MARK ME AS BRAINLIEST

Answer 2

Answer:

x+y -2z+4x+6y-2z-2x-7y+9x

Step-by-step explanation:

x+4x-2x+9x+y+6y-7y-2z-2z

12x-4z Ans