Question

Simplify

2x + 7y + 3x - 4y

A. 5x + 11y
B. 5x + 3y
C. 8xy
D. 5x - 11y

I did the question wrong... I'm so sorry :'(

Answer 1

2x + 7y + 3x - 4y = (2x + 3x) + (7y - 4y) = 5x + 3y

Answer 2

$2x + 7y + 3x + 4y$ 

$(2x+3x)+(7y-4y)$   $Gather \ like \ terms$ 

$5x+3y$