lina93
10.10.2019 •
Mathematics
What expression is equivalent to 2 (a+2b)-a-2b
3a+2b
3a-2b
a-2b
a+2b
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Ответ:
work:
2(a+2b)-a-2b = 2a+4b-a-2b
2a+4b-a-2b= a+2b
Ответ:
Answer and Explanation:
Given : Expression
To find : For the following problem, match the name of the number property that was used to get to each step from the previous step ?
Solution :
Expression
Step 1 - Commutative property,
Step 2 - Inverse property of addition,
Step 3 - Identity property of addition,
Step 4 - Inverse property of multiplication,
Step 5 - Identity property of multiplication,