Question

PLEASE HELP! BEST RESPONSE AND I'LL HELP YOU BOOST!!

Simplify 7x+4y+3(x-y)-2x and Justify your answers! And please show work so I can learn

Answer 1

=8x+y

Answer 2

Let's simplify step-by-step.
7x+4y+3(x−y)−2x

Answer 3

Distribute:
=7x+4y+(3)(x)+(3)(−y)+−2x
=7x+4y+3x+−3y+−2x

Answer 4

Yeah, but how did you get that?? I want to learn to do it myself too.. not just the awnser

Answer 5

@bryan89

Answer 6

Combine Like Terms:
=7x+4y+3x+−3y+−2x
=(7x+3x+−2x)+(4y+−3y)
=8x+y

Answer 7

=8x+y

Answer 8

How do you Justify your answers? @bryan89