Question

If 4x + 3 = 19, what is the value of x?

• A. 2
• B. 3
• C. 4
• D. 5

Hint:

To solve two-step equations like this, always perform the addition/subtraction operation first to isolate the term with the variable, then perform the multiplication/division.

Answer 1

The Correct Option is C

Step 1: Understanding the Concept:
This is a basic linear equation. The goal is to isolate the variable \(x\).
Step 2: Detailed Explanation:
Given the equation:
\[ 4x + 3 = 19 \] Subtract 3 from both sides:
\[ 4x = 19 - 3 \] \[ 4x = 16 \] Divide both sides by 4:
\[ x = \frac{16}{4} \] \[ x = 4 \] Step 3: Final Answer:
The value of \(x\) is 4. This corresponds to option (C).