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Substitute or eliminate 2x+y=-2 y=-3x-5
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4 votes
Substitute or eliminate
2x+y=-2
y=-3x-5

User Christian Matthew
by
6.7k points

2 Answers

5 votes
For you total answer it is (-3, 4)
User Tsuharesu
by
6.9k points
4 votes
Substitute value of y from 2nd equation in first equation,

2x + y = -2
2x - 3x - 5 = -2
-x = -2 + 5
x = -3

Now, y = -3(-3) - 5
y = 9 - 5 = 4

In short, Your Answer would be: (-3, 4)

Hope this helps!
User Jakub Siemaszko
by
6.0k points
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