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Mathematics 18 Online
OpenStudy (anonymous):

Write a system of two equations using x and y for the following problem: The sum of two numbers is 170 and their difference is 26. Find the two numbers.

hero (hero):

x + y = 170 x - y = 26

OpenStudy (anonymous):

how did you solve it?

OpenStudy (anonymous):

2x=196 , x=98 y=72

hero (hero):

I solved it because it says use x and y for variables. Also x and y represent the two numbers whose sum is 170 and whose difference is 26.

OpenStudy (anonymous):

yes hero is right

hero (hero):

And looks like alismart finished it

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