Respuesta :
let's plug it in first
5*6-(3+9)
Using PEMDAS, clear the parentheses first
5*6-(12)
Now, we should use multiplication or division since there is no exponent
30-12
Finally, we can add or subtract
18
5*6-(3+9)
Using PEMDAS, clear the parentheses first
5*6-(12)
Now, we should use multiplication or division since there is no exponent
30-12
Finally, we can add or subtract
18