Answer:
18
Step-by-step explanation:
You'd use order of operations - so you'd solve inside the parenthesis first.
15 + ( 9 - 6 )
15 + ( 3 )
18
Answer:
18
Step-by-step explanation:
PEMDAS
parentheses
exponents
multiplication
division
addition
subtraction
15+(9-6)
15+3
18