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

@acxbox22 @amistre64

Answer 2

wht have you accomplished?

Answer 3

well i thought i was d

Answer 4

it

Answer 5

the question might suggest that theres more than one option

Answer 6

what might you think it is?

Answer 7

show me why you think d might be valid.

Answer 8

idk i just guest

Answer 9

oh, well we dont do guessing here ... try working your algebra properties instead.

Answer 10

otherwise what, you guess until its the right one? noting gets learned then

Answer 11

oh, heres a thought, let n=1 ...

Answer 12

yea your right

Answer 13

-3.5(2 - 3(1)) - 2.5(1)

-3.5(2 - 3) - 2.5

-3.5(-1) - 2.5

we can use this value to compare the results of the options if algebrating it is a bother :)

Answer 14

Try expanding and simplifying and see what you get

Answer 15

wow i jus worked it out and its b and e

Answer 16

yep, 10-2 is 8 so yeah

Answer 17

ok