Math, asked by laxmisridhar76, 4 months ago

add the following algebraic expression using both horizontal and vertical methods
2x+9y-7z;3y+z+3x;2x-4y-z​

Answers

Answered by niharikamehra525
3

Step-by-step explanation:

Vertical Method

2x+9y-7z

3x+3y+z

2x-4y-z

_______

7x+8y-72

Horizontal Method

2x+9y−72+3x+3y+2+2x−4y−2

=7x+8y−72

1=2

Both ans are same.

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