717+(x+12)=1000

To solve the equation \( 717 + (x + 12) = 1000 \), follow these steps:

1. Combine like terms: \[ 717 + x + 12 = 1000 \] \[ 729 + x = 1000 \]

2. Subtract 729 from both sides: \[ x = 1000 - 729 \] \[ x = 271 \]

Therefore, the solution is \( x = 271 \).