Question

Week 4 Assignment: Solving Systems of Linear Equations by Eliminatio

Due Aug 2 by 11:59pm
Points 10
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Solve applications of systems of equations by elimination
Question
The sum of two numbers is -17. Their difference is 41. Find the numbers.
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Answer 1

The two numbers are 12 and -29

Explanation:

Let x and y be the two numbers

x+y = -17

x - y = 41

Add the two equations together

x+y = -17

x - y = 41

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2x = 24

Divide by 2

x = 12

Now find y

x+y = -17

12 +y = -17

Subtract 12 from each side

y = -17-12

y = -29