Math, asked by suhani4977, 1 year ago

substitute 3x-y=3,9x-3y=9​

Answers

Answered by khoshya2
3
hope it will help you please thanks to me
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DhanashreeThakre: it's not useful to me.
Answered by swarnalidas02
2
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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