x + 7 =20

1 answer

To solve the equation \( x + 7 = 20 \), you need to isolate \( x \).

Subtract \( 7 \) from both sides:

\[ x + 7 - 7 = 20 - 7 \]

This simplifies to:

\[ x = 13 \]

So, the solution is \( x = 13 \).