Math, asked by vaishu9620, 4 months ago

plz answer guys..!!

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Answered by lalitnit

0

Answer:

x+y+10=0

3x-5y+9=0

4x-4y+k=0

1(-5k+36)+1(36-3k)+10(-12+20)=0

-5k+36+36-3k+80=0

-8k+152=0

k= 152/8 = 19

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