SOLUTION: 4X-4Y=4 -2X+Y=2

Question 26417: 4X-4Y=4
-2X+Y=2
Answer by Alwayscheerful(414) (Show Source): You can put this solution on YOUR website!

Solved by pluggable solver: Linear System solver (using determinant)

Solve:

Any system of equations:

has solution

(x=-3, y=-4}

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving -4*a to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that a=-4. Since , x=-3.

Answer: .

Hope this helps!
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