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QUESTION

elimination

7x+6y=28

-8x-6y=-26

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Robert
Robert
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***** *********** method ** *** *** two ********* ****** the **** **** **** ** *** ***** **** the left hand **** ** *** ****** equation *** ******** to the sum ** *** ******* ** the right hand sideWhy **** ** *** ******* *** second **** of **** ** the equation are ***** *** ******** ** ****** 7x * ** + *** + *** * ** + ***** = 2 ******** **** **** by ** ** **** = ***** ******** ** ********** ** * *** ****** ** * *** **** *** ********* added to *** *

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ProfTalent
ProfTalent
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*********** ************** 2Since the ***** of * ** ******* ** *** two equations ** can ***** *** X ** eliminating ******* *** *** ********* we have;-X=2>X=-2 ***** *** ***** ** **************** the **** the ***** of * ** any ******** **** *** ******** 1) we ******************* implies **** *** value ** * is;6Y=+14+286Y=42>Y=7To ******* *** ****** *** ********** **** the ***** of * *** * ** *** ***** ********************* **********

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