SOLUTION: The sum of two numbers is 90. The difference is 18. Find the numbers
Algebra.Com
Question 248099: The sum of two numbers is 90. The difference is 18. Find the numbers
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
Let x+y=90 and x-y=18
Use any method to solve for the system of equations. I will use the subraction method:
x+y=90
x-y=18
________
2x=108
.
2x=108
2x/2=108/2
x=54
So,
54+y=90
y=36
Answers
x=54 and y = 36
Check the answers by plugging them back into the origina two equations.
RELATED QUESTIONS
The difference of two numbers is 18, and their sum is 90. find the two... (answered by bam878s)
The sum of two numbers is 32. Their difference is 18. Find the two... (answered by General_Lee87)
The sum of two numbers is 90; their difference id 75. Find the numbers.
(answered by ewatrrr)
The sum of the squares of two numbers is 90. The difference between them is 6. Find the... (answered by mananth,benazir.sj@gmail.com)
The difference of two positive numbers is 6 and the sum of their squares is 90. Find the... (answered by solver91311)
The sum of two numbers is 198
.
The difference between them is 18
.
Find the two... (answered by ikleyn)
the difference of two numbers is 18.the sum of the two numbers is 34.what are the two... (answered by Mathtut)
Find the sum of two positive numbers whose difference is 136 and whose quotient is... (answered by drk)
the sum of two numbers is 18. thier difference is 22. what are the... (answered by ankor@dixie-net.com)