SOLUTION: Find two numbers whose sum is 14 if one number is 3 times as large as the other number.

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Question 274950: Find two numbers whose sum is 14 if one number is 3 times as large as the other number.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=14 or x=14-y
x=3y
Replace x with (14-y in the secomd equation & solve for y.
14-y=3y
-y-3y=-14
-4y=-14
y=-14/-4
y=-3.5 ans.
x=3*3.5
x=10.5 ans.
Proof:
10.5+3.5=14
14=14