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18-04-2017
Mathematics

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Add and simplify.
8x
x2 - 16
+
x - 4
x + 4

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kaileighjsdfj kaileighjsdfj

20-04-2017

8x+2x-16+x-4+x+4
Combine like terms.
8x and 2x = 10x
10x-16+x-4+x+4
-16-4+4=-16
10x-16+x+x
x+x= 2x
10x+2x=12x
Answer: 12x-16

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