Answer: 
Step-by-step explanation:
1) Move all terms to the left: 
2) Add all the numbers together, and all the variables: 
3) Move all terms containing r to the left, all other terms to the right: 


Answer: 24
step by step explanation:
divide 360 by 15
☺ I might have misunderstood, but I can help if you give me the question. ☺
2xy + 2x^2
2x(y + x)
Hope his Helps!
Answer: the first one
Step-by-step explanation: