Mathematics for IGCSE & O level - Equations (Section 5 - No. 10)
What is the correct order of operations to isolate a variable when changing the subject of a formula?
Addition/subtraction, then multiplication/division.
Multiplication/division, then addition/subtraction.
Exponents, then addition/subtraction, then multiplication/division.
It doesn't matter.
Explanation
Reverse the order of operations (PEMDAS/BODMAS).
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