10x - 10y = -30 -7x + 10y = 27

Solve by elimination. Show solution as an ordered pair
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1 Answer

Add the two equations together: 3x=-30+27=-3. Therefore x=-1.

So 10y=27+7x=27-7=20, and y=2.  That is, (-1,2).

by Top Rated User (1.2m points)

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