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Select the best possible first step to solving the system by first eliminating the y variable. x – 12y = –2 3x + 4y = 18
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multiply bottom by 3, subtract bottom from top
They want you to eliminate the y variable. That's easy to do if the coefficients are the same OR if one coefficient is a multiple of the other. Is there something I can multiply the 4y by to make it into 12 y?
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Ok thanks you guys for all the help and @smoothmath you would multiply by 3
Exactly =) So if you multiply the whole equation by 3, then things cancel out nicely when you add 'em up.
^that just proves that the more you refuse medals..the more people will give you some :)
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