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payton:
What is the solution to the system of equations? y = –3x – 2 5x + 2y = 15 (–40, 19) (–19, 55) (19, –40) (55, –19)
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lowkey:
Have you tried solving?
lowkey:
This one is simple as well. You plug in the first equation into the second equation. Like this 5x + 2y = 15 5x + 2( –3x – 2 )= 15
lowkey:
Then you can solve to get x
payton:
distribute?
lowkey:
5x + 2( –3x – 2 )= 15 5x-6x-4=15 -x-4=15 -x=19 x=-19
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lowkey:
Yes! and the only answer as -19 as the x value is B
payton:
so b is the obvious answer?
lowkey:
Yes
lowkey:
One way this makes it easier is by going on www.desmos.com then putting in both equations and finding out where the intersection point is (that's the solution)
payton:
its blocked for me
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lowkey:
Oh dang. I can keep helping you though!!
payton:
okay thanks, i appreciate it
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