add 2 X + 9 Y - 7 x + 3 Y + Z + 3 X + 2 x- 4 Y - Z
Answers
Answered by
1
Answer:
0 is the answer if u want take it or else get lost.
Answered by
0
Answer:
8y
Step-by-step explanation:
= 2x-7x+3x+2x+9y+3y-4y+z-z
= -5x+5x+12y-4y+0
= 0 + 8y
= 8y
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