SOLUTION: half the sum of two numbers is 20 and three times their differences is 18. find the numbers.
Algebra.Com
Question 479997: half the sum of two numbers is 20 and three times their differences is 18. find the numbers.
Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!
Let x and y are numbers
Half of the sum is is 20, so
Three times their difference
The system of the equations
multiply the first equation by 2, divide the second equation by 3
add the second equation to the first
is the first number
is the second number
RELATED QUESTIONS
Half the sum of two numbers is 20 and three times their difference is 18. Find the... (answered by Maths68)
Half the sum of two numbers is 15. Half their differences ie 8. Find the... (answered by Alan3354)
The sum of two numbers is 80 and their differences is 20.find the... (answered by rfer)
The difference of two numbers is 18, and their sum is 90. find the two... (answered by bam878s)
The product of two numbers is 18 and their sum is 9. Find the numbers.
(answered by mananth)
One half the sum of two numbers is equal to one and one half times their difference.... (answered by ewatrrr)
if the sum of two numbers is 4 and the sum of their squares minus three times their... (answered by ikleyn)
Two numbers. The sum of two numbers is 8.5, and their product is 18. Find the numbers. (answered by mananth)
The larger of two numbers is twice the smaller. Their sum is three times their... (answered by ankor@dixie-net.com)