Simplify the following addition expression.
9+7
Addition of integers:
To simplify 9+7, we have
9+7=16
Thus, 9+7=16
Simplify the following mathematical expression:
12 of 9-{13+2(7+2-1)}
-5+-7
Simplify the expression.
6y+9+3y-7
Simplify the expression. Write your answer as a power.
-94.-97.