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2x + y = 3 x - 2y = -1 If equation one is multiplied by 2 and then the equations are added, the result is _____.
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5 votes
2x + y = 3 

x - 2y = -1 



If equation one is multiplied by 2 and then the equations are added, the result is _____.
User Humanbeing
by
6.5k points

2 Answers

2 votes

Answer:

2

Explanation:

User Tanathos
by
6.5k points
2 votes
4x+2y=6
X+2y=-1
I think you mean subtract the two.
That would get rid of the the y
3x=7 x=7/3
Then plug that into one of the organism equations
User Shanny
by
6.3k points
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