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Solve the following equation, finding the value of 𝑥.4𝑥 + 4 = 40A. 𝑥 = 6B. 𝑥 = 9C. 𝑥 = 11D. 𝑥 = 14

Question

Solve the following equation, finding the value of 𝑥.4𝑥 + 4 = 40A. 𝑥 = 6B. 𝑥 = 9C. 𝑥 = 11D. 𝑥 = 14

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Solution 1

To solve the equation for x, follow these steps:

Step 1: Start with the original equation: 4x + 4 = 40

Step 2: Subtract 4 from both sides of the equation to isolate the term with x: 4x = 36

Step 3: Divide both sides of the equation by 4 to solve for x: x = 9

So, the correct answer is B. 𝑥 = 9.

Solution 2

To solve the equation for x, follow these steps:

Step 1: Start with the original equation: 4x + 4 = 40

Step 2: Subtract 4 from both sides of the equation to isolate the term with x: 4x = 40 - 4, which simplifies to 4x = 36

Step 3: Divide both sides of the equation by 4 to solve for x: x = 36 / 4

Step 4: Simplify the right side to find the solution: x = 9

So, the correct answer is B. 𝑥 = 9.

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