YourMortalEmily YourMortalEmily

16-02-2018
Mathematics

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Math people... Help!

{6x−4y=−24
{4x−8y=−32

Graph the system of equations.

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16-02-2018

Using the elimination method
2(6x - 4y = - 24)
4x - 8y = -32
==>12x - 8y = -48
4x - 8y = -32
subtract top to bottom
==>8x = -16
4x - 8y = -32
==>x = -2
4(-2) - 8y = -32
==>x=2
-8y = -32 + 8
==>x = -2
-8y = -24
==>x=-2
y = 3

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