solve 2x+y=9and 5x-y=5 using elimination method
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Answered by
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Step-by-step explanation:
2x+y=9
y=9-2x=
5x-y=5
5x-(9-2x)=5=
5x-9+2x=5=
5x+2x=5+9=
7x=14=
x=14÷7=
x=2
y=9-2x=
y=9-2(2)=
y=9-4=
y=5
x=2,y=5
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