SOLUTION: Solve the system of equations by graphing. Make sure that you label both equations and identify the solution. Check your solution. Y=x-7 X+y=11

Question 934026: Solve the system of equations by graphing. Make sure that you label both equations and identify the solution. Check your solution.
Y=x-7
X+y=11
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

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Solved by pluggable solver: Solve the System of Equations by Graphing

Start with the given system of equations:

In order to graph these equations, we need to solve for y for each equation.

So let's solve for y on the first equation

Start with the given equation

Add to both sides

Rearrange the equation

Divide both sides by

Break up the fraction

Reduce

Now lets graph (note: if you need help with graphing, check out this solver)

Graph of

So let's solve for y on the second equation

Start with the given equation

Subtract from both sides

Rearrange the equation

Divide both sides by

Break up the fraction

Reduce

Now lets add the graph of to our first plot to get:

Graph of (red) and (green)

From the graph, we can see that the two lines intersect at the point (,) (note: you might have to adjust the window to see the intersection)

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