If you subtract 20.5 by 5.25 x 2 you will get 10 by 2 and you have the answer
Answer:
10+5x
Step-by-step explanation: First 3x becomes a neggative thus saying there is a minus infront of it then combine the like therms with 8x making it 5x. Once you do that take 7 and add it to 3. Therefore the answer is 5x+10.
It will b answer A. Because they all have equal parts