Commutative law: a+b=b+a thats it...
So 9+7 can also be written as 7+9=16
Answer:
a
Step-by-step explanation:
The answer is attached, hope this helps!
Answer:
A.
Step-by-step explanation:
Since you are trying to find <em>x</em>, you have to divide both sides by 4 to isolate <em>x</em> and get your answer.