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What is the reason for each step in the solution of the equation?

Given equation:
[tex]\[ 3x - 2 = 4 \][/tex]

Steps to solve:
[tex]\[
\begin{array}{rl}
1. & 3x - 2 = 4 \quad \text{(Given)} \\
2. & 3x = 6 \quad \text{(Addition Property of Equality)} \\
3. & x = 2 \quad \text{(Division Property of Equality)}
\end{array}
\][/tex]


Sagot :

To solve the equation [tex]\(3x - 2 = 4\)[/tex], we follow these steps with corresponding reasons:

1. Given: The initial equation is [tex]\(3x - 2 = 4\)[/tex].

2. Addition Property of Equality: To isolate the term involving [tex]\(x\)[/tex], we add 2 to both sides of the equation:
[tex]\[ 3x - 2 + 2 = 4 + 2 \][/tex]
Simplifying this, we get:
[tex]\[ 3x = 6 \][/tex]

3. Division Property of Equality: To solve for [tex]\(x\)[/tex], we divide both sides of the equation by 3:
[tex]\[ \frac{3x}{3} = \frac{6}{3} \][/tex]
Simplifying this, we get:
[tex]\[ x = 2 \][/tex]

So, the completed table along with the reasons would look like this:

[tex]\[ \begin{array}{c|c} \text{Step} & \text{Reason} \\ \hline 3x - 2 = 4 & \text{Given} \\ 3x = 6 & \text{Addition Property of Equality} \\ x = 2 & \text{Division Property of Equality} \\ \end{array} \][/tex]

Each step ensured that we maintained the equality while isolating [tex]\(x\)[/tex] and solving the equation.
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