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4x + 2y = 9 5y - 4x = 5
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1 vote
4x + 2y = 9
5y - 4x = 5

User Abhishekgarg
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5.8k points

1 Answer

3 votes

we sum the both rows with 1×

4×+2y+5y-4x=9+5

7y=14

y=14/7

y=2

User Semyon Tikhonenko
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4.9k points
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