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I need help please!!! Solve the system by substitution. y=-4x y=x-5
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I need help please!!!
Solve the system by substitution.
y=-4x
y=x-5

User Sumak
by
5.9k points

1 Answer

8 votes
You would plug in y into the other equation.
-4x = x-5
Put x variables on one side
-4x - x = -5
-5x = -5
x=1
Then plug in 1 for x in any equation
y = 1 - 5
y = -4
So the answers are x=1 and y=-4
Hope this helped!
User Stuyvenstein
by
5.9k points
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