English, asked by Suzukimoto1979, 4 months ago

3y + 4z - 6x, 2x - 4y + z and 5z - 8y - x.​

Answers

Answered by PATHAN110
1

Answer:

Adding the given terms, we have

(i) 7abc + (- 5abc) + (9 abc) + (- 8abc)

= 7abc - 5abc + 9abc - 8abc

= (7 - 5 + 9 - 8)abc

= (16 - 13)abc

= 3abc

(ii) 2x2y + (- 4x2y) + 6x2y + (- 5x2y)

= 2x2y - 4x2y + 6x2y - 5x2y

= (2 - 4 + 6 - 5)x2y

= (8 - 9)x2y

= -x2y

Answered by aayushi567
4

Answer:

3y + 4z - 6x + 2x - 4y + z + 5z -8y - x

3y - 4y - 8y + 4z +z + 5z - 6x + 2x - x

-9y + 10z - 5x

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