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Mathematics 13 Online
OpenStudy (lena772):

For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation? -x - 2y = -4 3x + y = 12 -2y - 4 2y - 4 2y + 4 -2y + 4 Like I know how to subsitute but this no makey sensey

OpenStudy (the_fizicx99):

Well because you said sensey I'll help you boo :*

OpenStudy (lena772):

Lol

OpenStudy (the_fizicx99):

*FACEPALM* U.U read the question...

OpenStudy (the_fizicx99):

Oke boo, because its you :* You convert the second equation to x = ???? To then plug in that x into the second equation

OpenStudy (lena772):

Um, D?

OpenStudy (the_fizicx99):

I was confuzzled there for a moment :O Lena boo, isolate x in the first equation

OpenStudy (lena772):

x=-2y+4

OpenStudy (the_fizicx99):

Yesh now you plug that into the second equation, but they only asked to isolate x to then sub it in.

OpenStudy (lena772):

So it's D?

OpenStudy (the_fizicx99):

._. yesh booboo :*

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