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In the step by step simplification of expression below which property is not used? 3(1+x) 3(x+1) 3(x)+3(1) 3x +3 A) associative B) commutative C) distributive D) identity

In the step by step simplification of expression below which property is not used? 3(1+x) 3(x+1) 3(x)+3(1) 3x +3 A) associative B) commutative C) distributive D) identity
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2 votes
In the step by step simplification of expression below which property is not used?

3(1+x)
3(x+1)
3(x)+3(1)
3x +3 

A) associative B) commutative C) distributive D) identity

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User Amid
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2 Answers

4 votes

3(1+x)=3+3x\\ 3(x+1)=3x+3\\ 3(x)+3(1)=3x+3\\ 3x +3\\\\ Answer:D
answered
User Rebellion
by
8.8k points
7 votes
D) identity............
answered
User Paddington
by
7.7k points
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