SOLUTION: solve using the substituition method: x = y - 3 14y = 7x - 7

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Question 327842: solve using the substituition method:
x = y - 3
14y = 7x - 7
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

1.x+=+y+-3
2.14y+=+7x+-+7
Substitute eq. 1 into eq. 2,
14y=7%28y-3%29-7
14y=7y-21-7
7y=-28
highlight%28y=-4%29
Then from eq. 1,
x=-4-3
highlight%28x=-7%29