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OpenStudy (anonymous):
how would i solve this system of equations by using the addition method, 5x+4y=12 and 7x-6y=40.
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OpenStudy (amistre64):
multiply the top by -7, and the bottom by 5; this will cancel the x values and allow you to solve for the y
OpenStudy (amistre64):
i spose top and bottom are not relevant to this since they are more left and right in the post :/
OpenStudy (amistre64):
we could just as well multiply the "top" by 6 and the "bottom" by 4 to get "like terms" on the ys to cancel.
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