x+y=5, 7x-4y=9 find the value of x and y
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x+y=5> 4x+4y=20----------(1)
7x-4y=9. ----------(2)
(1)+(2)> 11x=29
x= 29/11
y= 5-29/11=26/11
7x-4y=9. ----------(2)
(1)+(2)> 11x=29
x= 29/11
y= 5-29/11=26/11
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