College Math CLEP Prep Practice Exam

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Solve for x in the equation 8x - 2 = 4?

6
0
-2
-3

The correct answer is: -3

To solve for x, we need to isolate it on one side of the equation. In this equation, we are subtracting 2 from 8x, so the opposite operation is adding 2. We do this to both sides of the equation, giving us 8x = 6. To solve for x, we then need to divide both sides by 8, giving us x = 6/8 or x = 0.75. Option A, 6, is incorrect because it is the result after adding 2 to both sides, instead of dividing by 8. Option B, 0, is incorrect because it is the resulting value of x, not the actual solution to the equation. Option C, -2, is incorrect because it does not follow the correct steps of adding 2 and then dividing by 8 to solve for x