Question

after geting 5 new rocks geogre gave half of his collection to susan.if george gave susan 36 rocks which equation could be used to determine hiw many rocks george started with

Answer 1

x - number of rocks with which George started

The equation:

$\dfrac{x+5}{2}=36\ \ \ |\cdot2\\\\x+5=72\ \ \ |-5\\\\x=67$

Answer: 67

Answer 2

36×2=72
72-5=67
George started with 67 rocks.