The solution of the pair of
equations 3x - y = 5 and x + 2y
= 4 is *
O x = 1, y = 2
O x = 2, y = 1
O x = 2, y = 2
O x = 1, y = 1
Answers
Answered by
0
Answer:
x=2 and y=1
hope this helps
Answered by
1
x = 2, y = 1
Explanation:
x + 2y = 4 => x = 4 - 2y
3x - y = 5 => 3(4 - 2y) - y = 5
=> (12 - 6y) - y = 5
=> 12 - 7y = 5
=> -7y = 5 - 12
=> -7y = -7 and y = 1
x = 4 - 2y => x = 4 - ( 2 * 1 )
=> x = 4 - 2
=> x = 2
Hence, x = 2 and y = 1
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