The sum of the two numbers is 12. The difference is 18. Write a system of equations to represnt the statement and what are the two numbers

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andybiersack154 andybiersack154

07-02-2019
Mathematics

contestada

The sum of the two numbers is 12. The difference is 18. Write a system of equations to represnt the statement and what are the two numbers

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EmilyHurd EmilyHurd · Answer 1 · 2019-02-07T15:32:22+01:00

x = 15 and Y = -3 because X + Y = 12
X - Y = 18
__________
2X = 30
X = 15
15 + Y = 12
Y = -3
You can substitute the X value into either equation from the first two equations

The sum of the two numbers is 12. The difference is 18. Write a system of equations to represnt the statement and what are the two numbers​

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The sum of the two numbers is 12. The difference is 18. Write a system of equations to represnt the statement and what are the two numbers