SOLUTION: The larger of two numbers is 7 less than 4 times the smaller. Find the numbers given that their sum is 28.

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Question 186250: The larger of two numbers is 7 less than 4 times the smaller. Find the numbers given that their sum is 28.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
y=4x-7 y= the larger number
x = the smaller number.
x+y=28
x+4x-7=28
5x=28+7
5x=35
x=35/5
x=7 ans.
y=4*7-7
y=28-7
y=21 ans.
Proof:
7+21=28
28=28