Dennis P. answered 12/18/23
Tutor
New to Wyzant
Hi! My name is Dennis and I am looking forward to working w/ u!
To make the equation 20 - 8 x 4 + 4 - 5 x 2 = 9 true by adding parentheses, you can add them as follows:
20 - (8 x 4) + (4 - 5) x 2=9
With these parentheses, you change the order of operations, and the equation becomes true.