Phrase: The sum of two times a number and five added to six times a number.
Variable: Let represents the number.
Expressions: .
Therefore, the algebraic expression is .
Simplify the expression.
(Original expression)
(Associative property of addition: )
(Commutative property of addition: )
(Associative property of addition: )
(Add: )
.
The algebraic expression is .
The simplified expression is .
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