Question

Write the phrase “the sum of 3 times a number and 5” as a mathematical expression.

Answer 1

Answer:

$(3*x)+5$

Step-by-step explanation:

Let the variable x equal "a number"

The phrase times means we multiply the variable x by the constant 3.

The phrase sum of means we add the constant 5 to the term (3 * x).

$(3*x)+5$