Math, asked by suhani4977, 1 year ago

substitute 3x-y=3,9x-3y=9

Answers

Answered by khoshya2

hope it will help you please thanks to me

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DhanashreeThakre: it's not useful to me.

Answered by swarnalidas02

3x-y=3_______eq1
9x-3y=9______eq2

multiple equation 1 by 3

so it becomes...9x-3y=9_____eq3

by substracting equation 2 and equation 3

9x. -. 3y. = 9
9x. -. 3y. =. 9
-. +. -
_____________________________
0. 0. 0

therefore final answer is 0

please mark as BRAINLIEST

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