Mathematics for IGCSE & O level - The Four Operations (Section 6 - No. 4)
How does the order of operations affect the solution of an equation?
It doesn't affect the solution, you can do any operation at any time.
It ensures the solution is unique and consistent.
It helps avoid the use of parentheses.
It simplifies the equation to be easier to solve.
Explication
The order ensures a unique and consistent solution is found.