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3 and the solution is x = -5 and y = -3

When subtracting the equations remember that a - - is equal to a +

So: - 6x - - 6x = 0

Also remember that a minus times a minus that the product is always a plus.

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โˆ™ 2010-03-04 15:27:26
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Q: By what number should you multiply the first equation to solve using elimintation -2x-4y equals 22 -6x plus 3y equals 21?
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