Question

A3 Math gr6 20-21 Form O Online 21 of 34Item s Ali writes the expression "half of the sum of $9$ and a number." Write an algebraic expression that is equivalent to Ali's expression. Write a second algebraic expression that is different from, but equivalent to, your first expression.

Answer 1

Answer: See explanation

Explanation:

We are informed that we should write a equation that represents the expression "Ali writes the expression "half of the sum of $9 and a number.".

Let the number be represented by x. The first equation based on the information given will be:

= 1/2(9 + x)

The second equation will be:

= (9 + x)/2

= 4.5 + 0.5x