simplify of 24+ of 18- of 21

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What does "+ of" mean?

If all you mean to write is
simplify 24+18-21
then just do one of the following:
(a) get out your calculator and do the math
(b) type the expression into google or any of many online calculators
(c) trust me, it's 21

Pls help me and the God whom I serve will bless you but just help me

Pls just help me......šŸ˜‚šŸ˜‚šŸ˜‚šŸ˜‚šŸ˜

To simplify the expression 24 + 18 - 21, you need to perform the operations in the correct order, following the rules of arithmetic.

Step 1: Addition
Add 24 and 18 first: 24 + 18 = 42.

Step 2: Subtraction
Subtract 21 from the sum obtained in the previous step (42): 42 - 21 = 21.

Therefore, the simplified expression is 21.