Jenna+has+five+less+stamps+than+hor acio.+gary+has+half+the+number+that +horacio+had.+all+together+they+hav e+a+total+of+75+stamps

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

What are “like terms”? why can we only add like terms?

How to solve a simultaneous equation involved with fractions?