The expression 18 - 5 x 3 can be solved using the order of operations, which states that expressions within parentheses should be evaluated first, then any exponents, followed by multiplication and division from left to right, and finally addition and subtraction from left to right.
Using this order of operations, we can first multiply: 5 x 3 = 15.
Then, we subtract: 18 - 15 = 3.
Therefore, the value of the expression 18 - 5 x 3 is 3.
18 - 5 x 3
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