SOLUTION: solve by the substitution method.
x+y=6
-4x+y=-4
what is the solution of the system?
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Question 315035: solve by the substitution method.
x+y=6
-4x+y=-4
what is the solution of the system?
Answer by Jstrasner(112) (Show Source): You can put this solution on YOUR website!
Hey,
So for this one, we need to substitute x in one of the equations
In the first one:
x+y=6 which can also be:
x=6-y
We can then substitute this for x in the other equation:
-4(6-y) + y = -4
-24 +4y +y =-4
5y=20
y=4
then we put this into the original equation:
x + 4=6
x= 2
I hope this helps!
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