substitute 3x-y=3,9x-3y=9
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DhanashreeThakre:
it's not useful to me.
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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
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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