Use elimination X+y =9 X-y=7

asked Sep 27, 2022 152k views

3 votes

Use elimination
X+y =9
X-y=7

4.3k points

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3 votes

Answer:

x = 8

y = 1

Explanation:

x + y = 9

- ( x - y = 7)

-------------------

2y = 2

y = 2/2

y = 1

x + y = 9

x + ( 1 ) = 9

x = 9 - 1

x = 8

Jecoms answered Oct 4, 2022

4.4k points

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