What is the correct answer? Show each step using inverse operations to solve for x. (10 pts)

5x + 7.5 = 25

3 answers

To solve the equation \( 5x + 7.5 = 25 \) for \( x \), we will use inverse operations step by step.

Step 1: Subtract 7.5 from both sides.

We need to isolate the term with \( x \). To do this, we subtract \( 7.5 \) from both sides of the equation:

\[ 5x + 7.5 - 7.5 = 25 - 7.5 \]

This simplifies to:

\[ 5x = 17.5 \]

Step 2: Divide both sides by 5.

Now, we want to solve for \( x \). Since \( x \) is multiplied by \( 5 \), we will divide both sides by \( 5 \):

\[ \frac{5x}{5} = \frac{17.5}{5} \]

This simplifies to:

\[ x = 3.5 \]

Final Answer:

The solution to the equation \( 5x + 7.5 = 25 \) is:

\[ x = 3.5 \]

can you make a more of a simplyfied version?

Absolutely! Here’s a simplified version of the solution to the equation \( 5x + 7.5 = 25 \):

Step 1: Subtract 7.5 from both sides.

\[ 5x + 7.5 - 7.5 = 25 - 7.5 \]

This simplifies to:

\[ 5x = 17.5 \]

Step 2: Divide both sides by 5.

\[ \frac{5x}{5} = \frac{17.5}{5} \]

This simplifies to:

\[ x = 3.5 \]

Final Answer:

\[ x = 3.5 \]