Find the common solution:
$2 x + y = 8$
$x - y = 1$

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Solution

Given $2 x + y = 8$ and $x - y = 1$
Add above two equations we get $3 x = 9$ , which gives $x = 3$
Therefore $y = 3 - 1 = 2$

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Find the common solution:2x+y=8x−y=1

Given 2x+y=8 and x−y=1Add above two equations we get 3x=9 , which gives x=3Therefore y=3−1=2

Find the common solution:
$2 x + y = 8$
$x - y = 1$

Given $2 x + y = 8$ and $x - y = 1$
Add above two equations we get $3 x = 9$ , which gives $x = 3$
Therefore $y = 3 - 1 = 2$