What is the first step in adding these equations to eliminate y? 5x+6y=9 4x-3y=8

asked Dec 14, 2021 74.4k views

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What is the first step in adding these equations to eliminate y? 5x+6y=9

4x-3y=8

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multiply all terms in the second equation by 2 to get the coefficient on the y variable to be -6.

$2(4x-3y=8)\\8x-6y=16$

Sam Palmer answered Dec 18, 2021

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