simplify:2x-5y-3x+7y

Question

i dont understand this question.dont know answer

Answer 1

Isabella,

 

All you have to do is collceting the like terms and add or substract

 

2x-5y-3x+7y

 

 

2x - 3x + 7y - 5y

 

-x +2y

 

answer is 2y - x