Question

x-y+2z,7x + y-3z
ADD THE FOLLOWING EQUATION.
USER WILL GET 15 PONTS.​

Answer 1

Answer:

8x - y - z

Step-by-step explanation:

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Answer 2

$\sf\huge\bold\pink{Answer:}$

$x - y + 2z + 7x + y - 3z \\ = 8x + 0y - z$