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

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If x - 4 = 8, what is the value of x?

x = 10
x = 8
x = 4
x = 12

The correct answer is: x = 12

To find the value of x in the equation x - 4 = 8, you need to isolate x. This is done by adding 4 to both sides of the equation. Starting with the equation: x - 4 = 8 If you add 4 to both sides, you get: x - 4 + 4 = 8 + 4 This simplifies to: x = 12 Thus, the value of x is indeed 12, which is the correct solution.