prepareminded55 prepareminded55

15-07-2016
Mathematics

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Evaluate 2xy - 3x for x = - 2 and y = 7.

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Аноним Аноним

15-07-2016

Look below!
2(-2)(7)-3(-2)
-28-(-6)
(Don't forget that when you have two negative signs next to each other, you can make it addition)
SO, -28+6
=-22
Hope that helped!

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