SOLUTION: solve by subsitution x+4y=3 2x+3y=-4

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Question 212606: solve by subsitution
x+4y=3
2x+3y=-4

Answer by drj(1380)   (Show Source): You can put this solution on YOUR website!
Solve by substitution


The following step solves the system of equations by substitution.

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION
Solve:
We'll use substitution. After moving 4*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=2. Since , x=-5.

Answer: .




I hope the above steps were helpful. Good luck in your studies!

Respectfully,
Dr J

For free Step-By-Step Videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra.

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