To solve the equation [tex]\( x + 15 = 28 \)[/tex], we need to isolate the variable [tex]\( x \)[/tex]. Follow these steps:
1. Start with the given equation:
[tex]\[
x + 15 = 28
\][/tex]
2. To isolate [tex]\( x \)[/tex], subtract 15 from both sides of the equation. This will help to eliminate the +15 on the left side:
[tex]\[
x + 15 - 15 = 28 - 15
\][/tex]
3. Simplify both sides:
[tex]\[
x = 13
\][/tex]
Thus, the solution to the equation [tex]\( x + 15 = 28 \)[/tex] is [tex]\( x = 13 \)[/tex].
Therefore, the correct answer is:
A. [tex]\( x = 13 \)[/tex]
