SOLUTION: 3x-2y=-7 x+y=1

Question 212446: 3x-2y=-7
x+y=1
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!

The following solves the linear system of equations with substitution.

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving -2*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=2. Since , x=-1.

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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