First, distribute the minus sign across the second set. So you have:
x - y + 1 - x - y + 1
Now, we combine like terms:
x-x=0
-y-y=-2y
1+1=2
So we have -2y+2
Hope that helps.
twice the sum of a number and 3, means you need to add the number to 3 first, then multiply by 2.
The correct expression would be 2(n+3)
Answer: The answer is 5^5.
Step-by-step explanation:I don't know
sorry for taking so long
i got this from my sis and she just didn't give me an explanation.
Answer:
B
Step-by-step explanation:
sorry if its wrong
Answer:
y=63x+65
Step-by-step explanation: