Answer:
6/2 (1+2) = 9
Step-by-step explanation:
6/2 (1+2)
Order of operations PEMDAS
Parentheses first 6/2(3)
Multiplication and division go left to right
3(3)=9
-7
Yes, because if you substitute 10 for r in the equation and simplify, you find that the equation is true.