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Pre-Algebra
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OpenStudy (anonymous):
In the following problem, which step uses the additive identity to get to the next step? 1. -18 + 73 + 18 2. -18 + 18 + 73 3. 0 + 73 4. 73 Step 1 Step 2 Step 3 Step 4
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OpenStudy (anonymous):
Help me please...
OpenStudy (ivettef365):
additive identity means: Adding zero to a number leaves it unchanged:
OpenStudy (ivettef365):
so which one you think is the answer ??
OpenStudy (anonymous):
3
OpenStudy (ivettef365):
good job
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