SOLUTION: y=4x
x+y=5 solve each system of linear eguations using subsitution
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Question 1010216: y=4x
x+y=5 solve each system of linear eguations using subsitution
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Starting from
y=4x
x+y=5
we substitute the first into the second and get
x + 4x = 5
5x = 5
x = 1
Then
y = 4(1) = 4
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