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At what value of x do the graphs of the equations below intersect? 2x – y = 6 5x + 10y = –10 x=___?
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2 votes
At what value of x do the graphs of the equations below intersect?

2x – y = 6

5x + 10y = –10


x=___?

User Asker
by
7.6k points

2 Answers

4 votes

Answer:

Just took the quiz answer is C.) 2

Explanation:

User Abdoelrhman
by
8.0k points
2 votes
2x-y=6

simplifying the second equation gives;
x+2y=-2
Multiplying equation II by 2 gives;
2x+4y=-4
2x-y=6
Subtracting the equations;
5y=-10
y=-2
replacing in first equation;
2x+2=6
2x=4
x=2

User Misinglink
by
8.1k points
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