Question

simplify the expression 8h + (-6.9d) - 18 + 5d - 3.5h.
8h + (-6.9d) - 18 + 5d - 3.5h = \square
(simplify your answer. use integers or decimals for any numbers in the expression.)

Explanation:

Step1: Group like terms

$(8h - 3.5h) + (-6.9d + 5d) - 18$

Step2: Combine h terms

$8h - 3.5h = 4.5h$

Step3: Combine d terms

$-6.9d + 5d = -1.9d$

Step4: Assemble simplified expression

$4.5h - 1.9d - 18$

Answer:

$4.5h - 1.9d - 18$