Consider the following equation:
This equation is currently incorrect. By interchanging one pair of numbers within the equation, it can be made correct. Which pair of numbers should be swapped to balance the equation correctly?
- A
- B
- C
- D
Solution & Step-by-step Explanation
Let's test Option D by swapping the numbers and .
The original equation is:
Replacing with and with :
Applying BODMAS rule:
First, division:
The equation becomes:
Next, multiplication:
The equation becomes:
Finally, addition and subtraction:
LHS = RHS. Thus, swapping and balances the equation.
The original equation is:
Replacing with and with :
Applying BODMAS rule:
First, division:
The equation becomes:
Next, multiplication:
The equation becomes:
Finally, addition and subtraction:
LHS = RHS. Thus, swapping and balances the equation.