SOLUTION: Solve the following system by graphing. x - y = 4 x + y = 2

Algebra.Com
Question 1011348: Solve the following system by graphing.
x - y = 4
x + y = 2
Found 2 solutions by stanbon, MathTherapy:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Solve the following system by graphing.
x - y = 4
x + y = 2
-----
Add and solve for "x"::
2x = 6
x = 3
----
Solve for "y"::
3 + y = 2
y = -1
-------
Cheers,
Stan H.
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Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

Solve the following system by graphing.
x - y = 4
x + y = 2
Set the x-value for the 1st equation, equal to 0. Solve for y to determine the y-intercept-point

Set the y-value for the 1st equation, equal to 0. Solve for x to determine the x-intercept-point

Join the two points



Repeat the process for the 2nd equation



The point of intersection for both lines will be the solution to the system. 

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