Question

Which of the following expressions are equivalent to –3.5(2 – 3n) – 2.5n?

A: –7 – 8n
B: –7 + 8n
C: –7 – 13n
D: –7 – n(10.5 – 2.5)
E: –7 + n(10.5 – 2.5)

Answer 1

So, First Things First!

Answer 2

Combine Like terms!

Answer 3

Sooo
–3.5(2 – 3n) and 2.5n

Answer 4

You'll need to distribute before you can combine like terms.

Answer 5

oh

Answer 6

distribute what though

Answer 7

the distribution rule says
a*(b-c) = a*b - a*c

use that for –3.5(2 – 3n)

Answer 8

Okay never mind I got the answer but thank you!

Answer 9

no problem