So one way we can do this is-
2(2n+7)+3n=
4n+14+3n=
7n+14
Another simpler way possible is-
2n+7+2n+7+3n=
RE-ORDER
2n+2n+3n+7+7=
COMBINE LIKE TERMS
7n+14
6+5x=?
x = is the missing number so when you find x you multiply 5 and x and that will give you your answer
ANSWER MIGHT BE
11x
1/4 is 25% or 0.25
1/5 is 20% or 0.20
So the difference between the two is 5%, 0.05, or 1/20.
Answer: Honestly middle school grades, especially electives don't matter much. don't worry about it.
