Respuesta :
Answer:
-9 - (-18y)
simplified more answer : -9 + 18y
if the 06 is a decimal then: answer: -9 - (-1.8y)
more simplfied answer: -9 + 1.8y
Step-by-step explanation: -3 x 3 = -9
-3 x 6y = -18 y
(if 06 a decimal: -3 x 0.6y = -1.8y)
variable answers (answers with a letter ) cannot be added together with a non variable answer