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If you wanted to eliminate the y variable by adding the two equations in the following system, what could be your first step?
5x − 6y = 6
x − y = 12
Add the two equations together
Multiply the second equation by −6
Multiply the first equation by −6
Multiply the second equation by 6
 one year ago
 one year ago
If you wanted to eliminate the y variable by adding the two equations in the following system, what could be your first step? 5x − 6y = 6 x − y = 12 Add the two equations together Multiply the second equation by −6 Multiply the first equation by −6 Multiply the second equation by 6
 one year ago
 one year ago

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kropot72Best ResponseYou've already chosen the best response.1
You can arrive at the correct choice by seeing which choice gives the requires result (eliminate the y variable). Would adding the two equations together eliminate the y variable when 6y + (y) = 7y ?
 one year ago

kropot72Best ResponseYou've already chosen the best response.1
Correct. Looking at the second choice, if you multiply the second equation by 6 the y variable becomes y * 6 = 6y Would adding the two equations together eliminate the y variable when 6y + 6y = 0 ?
 one year ago

kropot72Best ResponseYou've already chosen the best response.1
You have your answer then.
 one year ago
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