erickleecastro94 erickleecastro94

19-11-2020
Physics

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x= -2y-6 and 6x+7y=9

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abigailsema abigailsema

19-11-2020

plug the equation equal to x in for the 2nd equation and it will be
6(-2y-6)+7y=9
múltiple 6 to the equation in the parenthesis
-12y-36+7y=9
add -12 and 7
-36-5y=9
add 36 to the other side
-5y=45
divide by -5
y=-9

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Ilovemusic14 Ilovemusic14

19-11-2020

Y equals negative nine!

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