Is this expression x+2x+3 equivalent to the expression 3(x+1)

asked Aug 20, 2016 103k views

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$x+2x+3=3x+3=3(x+1)\Rightarrow \hbox{ YES}$

Sam Sha answered Aug 21, 2016

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$x+2x+3=3x+3 \\ 3(x+1)=3 * x + 3 * 1 =3x+3 \\ \\ x+2x+3=3(x+1)$

Yes, they are equivalent.

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