SOLUTION: solve the system y=2x and x+y=6 by the sustitution method

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Question 375428: solve the system y=2x and x+y=6 by the sustitution method
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.y=2x
2.x%2By=6
Substitute eq. 1 into eq. 2,
x%2B2x=6
3x=6
highlight%28x=2%29
Then from eq. 1,
y=2%282%29
highlight%28y=4%29