Math, asked by abhijeetbeheralucky, 6 months ago

13) Add : 5x - 13xy + 4y - 9 and 7y + 5xy - 12x + 13

Answers

Answered by harapriyadash

3

Answer:

7x + 8by- 11y - 4

Step-by-step explanation:

(5x-13xy+4y-9)+(7y+5xy-12x+13)

= 5x- 13xy + 4y - 9 + 7y+ 5xy- 12x + 13

=5x-12x-13xy+5xy+4y+7y-9+13

=-7x-8xy+11y+4

=-(7x+8xy-11y-4)

= 7x+8xy-11y-4

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