Question

solve : 2x+y=5,x-y=1
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Answer 1

Answer:

1) 2x+y=5

=x+y=5/2

=x+y=2.5

x=2.5-y

y=2.5-x

2) x-y= 1

x=1+y

y=1+x

Answer 2

Step-by-step explanation:

x= y-1

put in 1

2(y-1)+y

= 3y-2+y= 0