Question

Write an algebraic expression equivalent to 9x + 20 using only the commutative property of addition.

a) x + 9 + 20
b) 20 + x + 9
c) 9x + 20
d) 20 + 9x

Answer 1

Using the commutative property of addition, the algebraic expression equivalent to 9x + 20, by rearranging the terms, is 20 + 9x.

Step-by-step explanation:

The commutative property of addition states that you can add numbers in any order and get the same result. Applying this property to the algebraic expression 9x + 20, we can write an equivalent expression by rearranging the terms. Hence, the equivalent algebraic expression using the commutative property is 20 + 9x.