Question

Write an algebraic expression for each:

the sum of a number and 45
12 more than a number
the difference of 1 and a number
13 subtracted from a number

Answer 1

X + 45

X + 12

1 - x

X - 13

Explanation:

Using the keywords sum of, more than, and subtracted will help you. (You can also flip the expression since it didn't say how.