To solve the equation \( x - 21 = 15 \), you can isolate \( x \) by adding 21 to both sides of the equation:
\[ x - 21 + 21 = 15 + 21 \]
This simplifies to:
\[ x = 36 \]
So, the solution is \( x = 36 \).
x−21=15
1 answer
1 answer
To solve the equation \( x - 21 = 15 \), you can isolate \( x \) by adding 21 to both sides of the equation:
\[ x - 21 + 21 = 15 + 21 \]
This simplifies to:
\[ x = 36 \]
So, the solution is \( x = 36 \).