17 3 ​ +x=1

To solve the equation \( 17 + 3 + x = 1 \), first combine the constants:

\[ 17 + 3 = 20 \]

So, the equation simplifies to:

\[ 20 + x = 1 \]

Next, subtract 20 from both sides:

\[ x = 1 - 20 \]

\[ x = -19 \]

Therefore, the solution is:

\[ x = -19 \]