To find the expression that results in the greatest value, we'll calculate each expression:
- \(-20 + (-3) = -20 - 3 = -23\)
- \(-8 + 9 = 1\)
- \(-14 + (-18) = -14 - 18 = -32\)
- \(-17 + 12 = -5\)
Now, comparing the results:
- Expression 1: \(-23\)
- Expression 2: \(1\)
- Expression 3: \(-32\)
- Expression 4: \(-5\)
The greatest value is from the expression \(-8 + 9\), which equals 1.