SOLUTION: Directions: Solve each system of linear equations by graphing.
Problem: x+y=4
x-y=2
I have no idea what to do here.
Algebra.Com
Question 885593: Directions: Solve each system of linear equations by graphing.
Problem: x+y=4
x-y=2
I have no idea what to do here.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Use a graphing calculator to graph each equation. If you do not have one, you can use this online graphing calculator
https://www.desmos.com/calculator
Graph the two equations to get this
The green graph is and the blue graph is
We see that the two lines cross at (3,1)
So the solution to the system is (3,1), basically x = 3 and y = 1
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