Respuesta :

carlosego
For this case we have the following sentence:
 "a number x plus 11"
 We want to write this phrase as an algebraic expression.
 We have then:
 a number x: x
 plus: +
 11: 11
 The algebraic expression is:
 x + 11
 Answer:
 a number x plus 11 is:
 x + 11