SOLUTION: Which of the following ordered pairs is a solution of the given system of linear equations? 4x + 4=4y y=2x

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Question 1085366: Which of the following ordered pairs is a solution of the given system of linear equations?
4x + 4=4y
y=2x

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

4x+%2B+4=4y.........eq1
y=2x.........eq2
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4x+%2B+4=4y.........eq1..both sides divide by 4
x+%2B+1=y.........substitute y in eq2
x%2B1=2x.........solve for x
1=2x-x
x=1
find y
y=2x.........eq2
y=2%2A1
y=2