algebra basics- commbining like temrs

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8y-9y

Sep 15th, 2015

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8y -9y = -y


adiitional 

1

. 2x+3x= 5x

2. 

3x-2x= x

3.

2x-4x= -2x

4.

3y-3y =0

5.

y -3y = -2y

6.

x+2y-2x+y 

= x-2x +2y +y 

= -x +3y

 = 3y-x



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Sep 15th, 2015

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