What is the rules of GEMDAS?

Answer 1

GEMDAS is an order of operation which means Grouping symbols, Exponents, Multiplication, Division, Addition and Subtraction.

Do the operations from left to right.

Example:

15 - 2 x (3 +4) + 23 + 4 x 3 divided by 2

do the parentheses first: 15 - 2 x 7 + 23 + 4 x 3 divided by 2

then the exponent. 15 - 2 x 7 + 8 + 4 x 3 divided by 2

then multiplication: 15 - 14 + 8 + 12 divided by 2

then division: 15 - 14 + 8 + 6

then addition and subtraction: 1 + 8 + 6

Answer: 15