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aast1ephant
aast1ephant aast1ephant
  • 17-06-2016
  • Mathematics
Answered

At what value of x do the graphs of the equations below intersect?


2x – y = 6


5x + 10y = –10



x=___?

Verified Answer :

Ckaranja
Ckaranja Ckaranja
  • 19-06-2016

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

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iiabbyii02 iiabbyii02
  • 22-10-2019

Answer:

Just took the quiz answer is C.) 2

Step-by-step explanation:

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