Answer:
(x + 5) - 9
Step-by-step explanation:
An expression is a mathematical phrase that contains a variable and a constant, but not an equal sign. Using key words from the given verbal expression, we can make an algebraic expresion:
'nine less than' = subtract 9 or - 9
'the sum of x and 5' = addition of 'x' and '5' or x + 5
put them together: (x + 5) - 9