solve the following question . if 2x+ y=5; 3x-y=5,then find the value of x-y.
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2x+y=5 3x-y=5
3(2x+y)=3(5) 2(3x-y)=2(5)
6x+3y=15 ---------------(1) 6x-2y=10 ----------------(2)
(1)-(2),
(6x+3y)-(6x-2y)=15-10 (1),
5y=5 6x+3=15
y=1 x=2
x-y=2-1=1
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