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Pls help now 50 points

Pls help now 50 points-example-1

1 Answer

4 votes

Answer:

A and B

Explanation:

(a) x= -x+x+0+x

positive x will cancel negative x on right hand side

x=0+x

x=x

(b) x= 0+(x+0)

open the bracket

x= 0+x+0

x=x

User Danilo Breda
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