SOLUTION: One number is 4 more than 3 times another. Their product is 20.

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Question 681816: One number is 4 more than 3 times another. Their product is 20.
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
x = 3y+4
xy=20
...
(3y+4)y=20
3y%5E2+%2B+4y+-+20+=+0
...
(3y+10)(y-2)=0
3y+10=0
3y=-10
y = -10%2F3 ==> does not work
y-2=0
highlight_green%28y=2%29
...
x = 3(2)+4=highlight_green%28x=10%29
...
The numbers are 10 and 2
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