(9d+2)–(5d+1)

Answer 1

To simplify the expression (9d+2)–(5d+1), we need to distribute the negative sign through the second set of parentheses:

(9d + 2) - (5d + 1) = 9d + 2 - 5d - 1

Next, we can combine like terms:

= (9d - 5d) + (2 - 1)
= 4d + 1

So, the simplified expression is 4d + 1.