What is the solution to the equation 3x - 9 = 0?

What is the solution to the equation 3x - 9 = 0?

• A. x = 1
• B. x = 2
• C. x = 3
• D. x = 4

Answer: (C)

To solve the equation \(3x - 9 = 0\), the first step is to isolate the variable \(x\). Begin by adding 9 to both sides of the equation: \[3x - 9 + 9 = 0 + 9\] This simplifies to: \[3x = 9\] Next, to solve for \(x\), divide both sides of the equation by 3: \[\frac{3x}{3} = \frac{9}{3}\] This simplifies further to: \[x = 3\] Thus, the solution to the equation is \(x = 3\). This solution indicates that when substituting \(x\) with 3 back into the original equation, it satisfies the equation perfectly: \[3(3) - 9 = 9 - 9 = 0\] Verifying the solution is an essential step in confirming that it meets the requirements of the equation, which it does. Therefore, the correct answer is indeed \(x = 3\).

To solve the equation (3x - 9 = 0), the first step is to isolate the variable (x). Begin by adding 9 to both sides of the equation:

[3x - 9 + 9 = 0 + 9]

This simplifies to:

[3x = 9]

Next, to solve for (x), divide both sides of the equation by 3:

[\frac{3x}{3} = \frac{9}{3}]

This simplifies further to:

[x = 3]

Thus, the solution to the equation is (x = 3).

This solution indicates that when substituting (x) with 3 back into the original equation, it satisfies the equation perfectly:

[3(3) - 9 = 9 - 9 = 0]

Verifying the solution is an essential step in confirming that it meets the requirements of the equation, which it does. Therefore, the correct answer is indeed (x = 3).