https://file.aiquickdraw.com/mathbot/file/1727775935250yhnewx3g.jpg

The equation in the image is:

\[
x + 25\% = 400
\]

To solve for \( x \), first convert \( 25\% \) into a decimal:

\[
25\% = 0.25
\]

Now rewrite the equation:

\[
x + 0.25 = 400
\]

Next, subtract 0.25 from both sides:

\[
x = 400 - 0.25
\]

\[
x = 399.75
\]

Thus, the solution is \( x = 399.75 \).

Would you like further clarification or details?

Here are 5 related questions you might consider:
1. What would happen if the percentage was 50% instead of 25%?
2. How can we express \( 25\% \) as a fraction and use that in solving equations?
3. Can this problem be solved using algebraic manipulation if the percentage is inside parentheses?
4. How would the solution change if the right-hand side was a different number, say 500?
5. How does the result of \( x = 399.75 \) change if the percentage is applied to \( x \) rather than a constant?

**Tip:** When working with percentages in equations, always convert them to decimals or fractions for easier calculations.

Learn how to solve the equation x + 25% = 400 by converting percentages into decimals and applying basic algebraic principles. This problem explores percentage conversions and equality properties, suitable for Grades 6-8.

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