California Assessment of Student Performance and Progress (CAASPP) Math Practice Exam

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If 2x = 10, what is the value of x?

  1. 3

  2. 4

  3. 5

  4. 6

The correct answer is: 5

To solve the equation \(2x = 10\), you need to isolate the variable \(x\). This is achieved by dividing both sides of the equation by 2. Starting with the equation: \[ 2x = 10 \] divide both sides by 2: \[ x = \frac{10}{2} \] Calculating that gives: \[ x = 5 \] This means that the value of \(x\) that satisfies the equation \(2x = 10\) is indeed 5. Thus, this choice accurately reflects the solution to the equation, confirming its correctness.