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One number is 7 less than three times a second number the sum of the two numbers is 13 find each number
One number is 7 less than three times a second number the sum of the two numbers is 13, the two numbers are 5 and 8. Let the two numbers are x and y; x + y = 13; x = 3y - 7; 3y - 7 + y = 13; 4y - 7 = 13; 4y = 20; y = 5 x = 13 - 5 = 8
Question|Asked by nikki27
Asked 5/3/2016 10:28:46 PM
Updated 5/4/2016 5:52:43 AM
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One number is 7 less than three times a second number the sum of the two numbers is 13, the two numbers are 5 and 8.
Let the two numbers are x and y;
x + y = 13;
x = 3y - 7;
3y - 7 + y = 13;
4y - 7 = 13;
4y = 20;
y = 5
x = 13 - 5 = 8
Added 5/4/2016 5:52:43 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [5/4/2016 4:30:49 PM]
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