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Verified answer
1) 2x - y = 1 |×53x - 5y = 16
maka
10x - 5y = 5
3x - 5y = 16
------------------(-)
7x = - 11
x = - 11/7
• 2x - y = 1 |×3
3x - 5y = 16 |×2
maka
6x - 3y = 3
6x - 10y = 32
--------------------(-)
7y = - 29
y = - 29/7
hp = ( - 11/7 , 29/7 )