Evaluation Math Example 1

Follow the full solution, then compare it with the other examples linked below.

Example 1

easy
Evaluate 5x−35x - 3 when x=4x = 4.

Solution

  1. 1
    Substitute x=4x = 4: 5(4)−35(4) - 3.
  2. 2
    Multiply: 20−320 - 3.
  3. 3
    Subtract: 1717.

Answer

1717
Evaluation means replacing the variable with a given value and computing the result using the order of operations.

About Evaluation

The process of calculating the numerical value of a mathematical expression by substituting specific numbers for each variable and then performing the indicated operations following the order of operations (PEMDAS/BODMAS).

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More Evaluation Examples

Example 2 medium

Evaluate [formula] when [formula] and [formula].

Example 3 easy

Evaluate [formula] when [formula].

Example 4 hard

If [formula], find [formula].

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