contestada

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

Respuesta :

Answer:

X + 45

X + 12

1 - x

X - 13

Step-by-step 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.