SOLUTION: Solve the system of equations algebraically. y = x + 4 y = -x

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Question 934077: Solve the system of equations algebraically.
y = x + 4
y = -x

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!

....eq.1
.......eq.2
___________________
start with
....eq.1 ...substitute for from eq.2
...solve for




go to eq.2 substitute for
.......eq.2


so, intersection point is (,)


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