Expression equivalent

Question

Which expression is equivalent to 1/2 (2n + 6)

a. 1/2 + 2n + 6

b. 2 1/2 n + 6 1/2

c. n + 6

d. n + 3

Answer 1

Your answer will be (d) n + 3

Take your original expression 1/2 (2n + 6), distribute (aka multiply) 1/2 into 2n and 6.

2n/2 + 6/2.....Simplify

= n+3

Usually finding an equivalent expression to the one in question usually requires you to simplify the expression in your question.