SOLUTION: Solve the system by the substitution method. 4x+y=16 16x+4y=64

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Question 34635This question is from textbook Prealgebra & Introductory Algebra
: Solve the system by the substitution method.
4x+y=16
16x+4y=64
This question is from textbook Prealgebra & Introductory Algebra

Answer by askmemath(368)   (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=0=0. Since , x=4.

Answer: .


Hope this helps.

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