College Algebra CLEP Prep Practice Exam

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What is the solution of the equation 3x + 4 = 4x + 8?

-4
-12
-8
0

The correct answer is: -4

To find the solution, we need to isolate the variable x on one side of the equation. If we subtract 3x from both sides, we get 4 = x + 8. Then, if we subtract 8 from both sides, we get -4 = x, or x = -4. This is the only possible solution to the equation. Option B is incorrect because it does not account for the x-term in the equation. Option C is incorrect because it also does not account for the x-term and the sign of the constant is incorrect. Option D is incorrect because it does not solve for the value of x at all.