English, asked by luni44, 2 months ago

Add the following algebraic expressions: 3x + 9y - 7z, 3y + z - 3x and 2z - 4y - x

Answers

Answered by NikitaNikita29

5

Answer:

Hope it's helpful for you

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Answered by sahanasharath189

0

Answer:

Explanation:Answer

Verticalmethod

2x+9y−7z

3x+3y+z

2x−4y−2

7x+8y−72

Horizontalmethod

2x+9y−72+3x+3y+2+2x−4y−2

=7x+8y−72Ans(2)

1=2

Bothansaresame.

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