SOLUTION: graph the following pairs of lines on the same axes: y=x-3 2x+4y=8

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Question 224620: graph the following pairs of lines on the same axes: y=x-3
2x+4y=8
Answer by drj(1380)   (Show Source): You can put this solution on YOUR website!
graph the following pairs of lines on the same axes: y=x-3
2x+4y=8

The following graphs the pairs of lines:



Solved by pluggable solver: SOLVE linear system by SUBSTITUTION
Solve:
We'll use substitution. After moving 1*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=0.333333333333333. Since , x=3.33333333333333.

Answer: .



Note the solution to the above system of linear equations is the intersection point and or (10/3, 1/3) between the two lines.

I hope the above steps and explanation were helpful.

For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

And good luck in your studies!

Respectfully,
Dr J
http://www.FreedomUniversity.TV
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