SOLUTION: solve system of equations by graphing. Show work. x+y=4 y-x=4

SOLUTION: solve system of equations by graphing. Show work. x+y=4 y-x=4

Algebra.Com

Question 429402: solve system of equations by graphing. Show work.
x+y=4
y-x=4
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
x+y=4
y-x=4
-x+y=4
.
x+y=4
-x+y=4
--------add
2y=8
.
y=4
x=0
.
Ed
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