Question

Solve the equation. $$ x+6=14 $$

Short answer

The solution to the equation \(x + 6 = 14\) is \(x = 8\).

Step-by-step solution

Identify the linear equation

The given equation is \(x + 6 = 14\). Our goal is to solve this equation to find the value of variable \(x\).

Rearrange the equation to isolate x

Rearrange the equation to isolate \(x\). We can do this by subtracting 6 from both sides of the equation. That gives us:\(x + 6 - 6 = 14 - 6\)Cleaning up the equation results in:\(x = 8\)

Key concepts

Algebraic Manipulation

Algebraic manipulation is the process of rearranging and simplifying an algebraic equation or expression. It's like a puzzle where your task is to find the value of an unknown variable. This typically involves a series of steps aimed at making the equation easier to understand and solve. In our example, where we have the equation x+6=14 , algebraic manipulation is used to change its form without changing its balance. Think of the equal sign as a scale that must always remain balanced.

Here's a pro tip: to maintain the balance, whatever you do to one side of the equation, do the same to the other side. So, if you subtract 6 from the left side, subtract 6 from the right side as well. This process is what shields the integrity of the original equation while steering us towards the solution.

Isolating Variables

Isolating the variable, often the next critical step in solving linear equations, means rearranging the equation to get the variable by itself on one side of the equal sign. By 'isolating', we aim to have our variable, typically x , stand alone. This creates a clear and straightforward statement of what x equals. In our exercise, this step was accomplished by subtracting 6 from both sides to get x + 6 - 6 = 14 - 6 , simplifying to x = 8 .

Take your time with this step – it's like each variable is having its moment in the spotlight, and proper isolation is their stage. Without extraneous numbers or operations, you can clearly see the value of the variable you were searching for all along.

Equation Solving Steps

Now, let's delve into the methodological approach of solving an equation step by step. This structured approach is vital because it reduces the risk of mistakes, and it helps students to form a solid understanding of mathematical processes. The steps usually start with identifying the equation and determining the type.

In our equation x+6=14 , the type is linear – a straight line when graphed. The next steps involve performing algebraic manipulation to isolate the variable. Once the variable is alone on one side, verify the solution by plugging it back into the original equation to ensure it keeps the equation balanced.

Enhancing knowledge retention, these methodical steps foster a sense of confidence and paves the way for tackling more complex problems.