Find out wich of the following equation have x = 2 , y = 1 as a solution with method plz its urgent
1) 2x + 5y = 9
2) 5x + 3y = 14
3) 2x + 3y = 7
4) 2x - 3y = 1
5) 2x- 3y + 7 = 8
6) x + y + 4 = 0
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Answer :
1) 2x + 5y = 9
3)2x + 3y = 7
4) 2x - 3y = 1
5) 2x- 3y + 7 = 8
Step-by-step explanation:
substitute values in each equation to get answers,
no explanation needed as such!!!
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