Subtract 17−(−18).
17 - (-18) = 17 + 18 = 35. Answer: \boxed{35}.
To subtract 17 - (-18), you can follow these steps:
Step 1: Simplify the expression by removing the double negative. A double negative becomes a positive. Therefore, -(-18) is the same as +18.
Step 2: Subtract 17 from 18. 18 - 17 equals 1.
Thus, 17 - (-18) equals 1.