Question

To undo a subtraction problem what do you have to do?
A) you add the same number
B) you subtract the same number
C) you divide the same number
D) you multiply the same number

Answer 1

Answer:

A

Step-by-step explanation:

you add the same number

Answer 2

First, undo the subtraction by adding 2. Then, undo the multiplication by dividing by 5. Suppose there are variables on both sides of the equation. The trick now, is to get the variables on the same side by adding them or subtracting them.

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