# 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

(2) Answers

D) identity............

[latex]3(1+x)=3+3x\\ 3(x+1)=3x+3\\ 3(x)+3(1)=3x+3\\ 3x +3\\\\ Answer:D[/latex]

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