SOLUTION: Use the substitution method to solve the systems of equations. 2x+y=4 2x-y=0 I am racking my brain on this one! thanks in advance for any help you would be able to give me!

Question 165535: Use the substitution method to solve the systems of equations.
2x+y=4
2x-y=0
I am racking my brain on this one! thanks in advance for any help you would be able to give me!

Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!

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=2. Since , x=1.

Answer: .

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