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3 votes
I don’t understand the question

I don’t understand the question-example-1
User CJ Teuben
by
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1 Answer

5 votes

Explanation:

what is the question ?

I guess it means to add the reason to step 4.

the reason is the same as for step 6 : subtraction property of equally.

because CD was deleted on both sides of the equation.

User HEADcRASH
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