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{ x + 2y = 8 , x= -5

1 Answer

4 votes

Explanation:

x + 2y = 8 , x= -5

-5 + 2y = 8

add 5 to both sides:

-5 + 2y + 5 = 8 + 5

2y = 8 + 5

2y = 13

divide both sides by 2:

2y/2 = 13/2

y = 13/2 or 6.5

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