Conquer the College Math Placement Challenge 2026 – Step Up and Shine!

Question: 1 / 400

What is the solution for x if 2x + 4 = 18?

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To solve the equation \( 2x + 4 = 18 \), we begin by isolating the variable \( x \).

First, subtract 4 from both sides of the equation:

\[

2x + 4 - 4 = 18 - 4

\]

This simplifies to:

\[

2x = 14

\]

Next, divide both sides by 2 to solve for \( x \):

\[

\frac{2x}{2} = \frac{14}{2}

\]

This leads to:

\[

x = 7

\]

Thus, the correct solution for \( x \) is 7. This means the answer choice correctly identifies the value of \( x \) that satisfies the original equation. It's derived directly through standard algebraic operations, confirming that the calculation aligns with solving two-step equations.

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