? - 5 = 19

If I want to solve for the missing number by working backwards, I need to _____ .

? - 5 = 19

If I want to solve for the missing number by working backwards, I need to _____ .

add

subtract

multiply

divide

1 answer

If you want to solve for the missing number in the equation "? - 5 = 19" by working backwards, you need to add.

To isolate the question mark (?), you can add 5 to both sides of the equation:

? - 5 + 5 = 19 + 5

This simplifies to:

? = 24

So the correct answer is add.