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Is the point (4,2) the solution to the system? Why or why not? Explain your reasoning.


2x-y+6
x+y=6

please help me with this :D

Is the point 42 the solution to the system Why or why not Explain your reasoning 2xy6 xy6 please help me with this D class=

Respuesta :

solve the top equation to get on variable on one side
2x-y=6
-y=-2x+6
y=2x-6
then plug in the coordinate for x and y for both equations. if both equations are true then it’s a solution
2=2(2)+6
2=10

4+2=6

so it’s not a solution

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