If
x + 2y = 9
3x + y = 11
find x and y, pls tell fast
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Step-by-step explanation:
x + 2y = 9------(1)
3x + y = 11------(2)
multiply equation 2 by 2
6X+2y=22----(3)
subtract equation 1 from equation 3
6X+2y=22
x + 2y = 9
-. -. -
5X=13
X=13 ÷5
X=2.6
put x =2.6 in equation 1
2.6+2y=9
2y=9-2.6
y=3.2
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