mathistiffany60 mathistiffany60

24-10-2018
Mathematics

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how do combine like terms 3[x plus 3y] minus 5[x minus y?

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24-10-2018

3(x + 3y) - 5(x-7)

Use the distributive prop. to simplify

3x + 9y - 5x - 35

Use The assoc. prop to move them around.

3x - 5x + 9y - 35

combine like terms

-2x + 9y - 35

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