College Algebra CLEP Prep Practice Exam

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Solve for x: 2x+3=7

-2
-1
1
2

The correct answer is: 1

When solving for x, we want to isolate the variable on one side of the equation. In this case, we can subtract 3 from both sides to bring the 3 to the other side. This leaves us with 2x = 4. Then, we can divide both sides by 2 to solve for x. This gives us x = 2, which is option C. The other options may seem like solutions, but when we plug them into the equation, they do not equal 7. For example, if we choose option A and plug it into the equation, we would get -4+3 = 7 which is false. Similarly for the other options. Therefore, C is the only correct answer.