SOLUTION: y=18x+10 & 2y=18x+10

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Question 150307: y=18x+10 & 2y=18x+10
Answer by mangopeeler07(462) About Me  (Show Source):
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y=18x+10 & 2y=18x+10

Answer: zero

y=18x+10
2y=2(y)

therefore 2y should equal
2(18x+10)

but it doesn't.

it equals
1(18x+10)

or in other words,
1(y)

Therefore
2y=1y

The only way that is true is if y=0.