guermahbasma3
guermahbasma3
21-02-2018
Mathematics
contestada
x=2y=14 and x-3y=-11
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dannielle
dannielle
21-02-2018
x - 2y= 14
x - 3y= - 11 | * ( -1)
x - 2y = 14
-x + 3y= 11
----------------
/
y= 25
x - 2*25= 14
x - 50 =14
x= 14+50
x=64
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