Math, asked by krishnamankari74, 9 months ago

2x+9y-7z,3y+z+3x,2x-4y-z​

Answers

Answered by rashi8560
2

2x+9y-7z+3y+z+3x+2x-4y-z

Now gather all like terms .

2x+ 3x + 9y + 3y - 7z +z

Answer : 5x + 12y - 6z

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