Question

Simplify the expression. Explain each step. 16 + (f + 4)

Answer 1

The simplified expression will be 16+5f because in the parentheses you add 4 and f, f has an invisible one to it so 1 plus 4 equals 5 and f, 16+5f is your expression, but the answer is 21f, expression is 16+5f and answer is 21f

Answer 2

16+f+4
(f)+(16+4)

Answer is =f+20
Hope it helped