SOLUTION: one number is twice another. the sum of two numbers is 39. find the larger number.
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Question 180835: one number is twice another. the sum of two numbers is 39. find the larger number.
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
one number is twice another. the sum of two numbers is 39. find the larger number.
:
lets call the numbers a and b
:
a=2b......eq 1
a+b=39....eq 2
:
take a's value of 2b from eq 1 and plug it into eq 2
:
2b+b=39
:
3b=39
:
b=13
:
largest number
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