Simplify: \( 3x + 6 = 126 \) - United Radiology

April 21, 2026 · United Radiology

["How to Simplify ( 3x + 6 = 126 ): Step-by-Step Solution", "Solving linear equations like ( 3x + 6 = 126 ) is a fundamental skill in algebra that helps simplify math problems efficiently. Whether you're a student learning the basics or a professional refining your problem-solving abilities, understanding how to simplify equations step-by-step can save time and reduce errors.", "### What Does the Equation Mean?", "The equation ( 3x + 6 = 126 ) represents a relationship between variables and constants. Here, ( 3x ) indicates that ( x ) is multiplied by 3, and the constant term ( +6 ) is added to it. The goal is to isolate ( x ) to find its value.", "### Step-by-Step Simplification", "1. Start with the original equation:
\n [
\n 3x + 6 = 126
\n ]", "2. Subtract 6 from both sides to eliminate the constant on the left:
\n [
\n 3x + 6 - 6 = 126 - 6
\n ]
\n Simplifying both sides:
\n [
\n 3x = 120
\n ]", "3. Divide both sides by 3 to solve for ( x ):
\n [
\n \frac{3x}{3} = \frac{120}{3}
\n ]
\n Simplifying:
\n [
\n x = 40
\n ]", "### Why Simplify?", "Simplifying equations step-by-step makes the process transparent and reduces mistakes. Each operation brings you closer to the solution while keeping the equation balanced — a key rule in algebra.", "### Final Answer", "[
\nx = 40
\n]", "### Applications and Tips", "- This method works for any linear equation of the form ( ax + b = c ).
\n- Always perform the same operation on both sides to maintain equality.
\n- Simplifying equations not only helps with math homework but also strengthens logical thinking useful in programming, finance, and engineering.", "In short, simplifying ( 3x + 6 = 126 ) means isolating ( x ) through systematic subtraction and division, leading to the clean solution ( x = 40 ). Mastering this technique is essential for tackling more complex algebraic challenges.", "Keywords: simplify linear equation, solve (3x + 6 = 126), algebraic methods, step-by-step algebra, equation solving tutorial, basic algebra for students."]

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