Q. Write an expression to represent:2 times the difference of x and 3 .
Understand the problem: Understand the problem.We need to write an expression that represents 2 times the difference between a variable x and the number 3.
Identify operation for difference: Identify the mathematical operation for "difference."The word "difference" indicates a subtraction operation.
Write expression for difference: Write the expression for the difference of x and 3. The difference of x and 3 is written as (x−3).
Multiply the difference by 2: Multiply the difference by 2. To represent 2 times the difference of x and 3, we multiply the expression from Step 3 by 2. So, the expression is 2×(x−3).
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