Edward A. answered • 04/27/19
Tutor
4.9
(17)
Math Tutor, Retired Computer Scientist and Technical Communicator
The key to understanding this is that multiplications and divisions must take place before additions and subtractions. (Unless parenthesis override them).
So, first multiply 6x9, getting 54
now rewrite the expression:
9 + 7 + 8 - 54
Now just do the additions and subtraction.
