Respuesta :

If you follow PEMDAS 
P-parentheses
E-exponent
M-multiplication 
D-divide
a-addition
s-subtraction
then you should look in the parentheses and multiplying 3x should be your first step IF you know x
hope this helps :)

Answer:

I did this on edg, twas the only question I got wrong.

Step-by-step explanation:

Ver imagen tqznmni31