Asked by justin

2x+y=4
-x+y=1
Answered by Reiny
are we solving???

if so, then just subtract them
4x = 3
x = 1

sub into the second
-1 + y = 1
y = 2
Answered by Anonymous
bring x to the other side in -x + y=1 so that you will get the equation y=x + 1 plug x +1 in for y in the first equation and solve for x and then plug that answer into either equation for x to solve for y
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