Which phrase describes the algebraic expression x - 21.5? a. 21.5 decreased by x b. x more than 21.5 c. 21.5 minus x d. x less 21.5

option D

Step-by-step explanation:

Given : the algebraic expression x - 21.5

a. 21.5 decreased by x

the expression becomes 21.5 - x

b. x more than 21.5

more than means we add , so expression becomes 21.5 +x

c. 21.5 minus x

For minus we use subtraction symbol,

so the expression becomes 21.5 -x

d. x less 21.5

x less 21.5 , we subtract 21.5

so the expression becomes x - 21.5 . that is the given expression

D

Step-by-step explanation:

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