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Math 7 . Grade 7

What is -2y + 10 + 2y - 8 simplified?

HINT: write it down on paper first to see what you get!

Answer :

mathssydney
it's just 2 because -2y and +2y cancel each other. 
saya
We can combine like terms. -2y +2y cancels each other out and it is 0
 The remaining 10-8 is 2, so the answer is 2.

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