SOLUTION: -77+2xy+3x+7(-2xy+4x)+(-2y)+100-(-4y)

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Question 632467: -77+2xy+3x+7(-2xy+4x)+(-2y)+100-(-4y)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
-77%2B2xy%2B3x%2B7%28-2xy%2B4x%29%2B%28-2y%29%2B100-%28-4y%29

-77%2B2xy%2B3x-14xy%2B28x-2y%2B100%2B4y

%283x%2B28x%29%2B%282xy-14xy%29%2B%28-2y%2B4y%29%2B%28-77%2B100%29

31x-12xy%2B2y%2B23

So -77%2B2xy%2B3x%2B7%28-2xy%2B4x%29%2B%28-2y%29%2B100-%28-4y%29 simplifies to 31x-12xy%2B2y%2B23

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