Simplify: 19 plus negative 47.

1. The two numbers have different signs, so subtract the smaller absolute value from the larger one. 2. 47 minus 19 equals 28. 3. Since 47 is the negative value and has the larger absolute value, the answer takes a negative sign, giving -28. 4. Adding the absolute values instead of subtracting them gives 66, which is the rule for same-signed numbers, not different signs. _Source: OpenStax Prealgebra (CC BY 4.0), Ch 3 "Integers", section 3.2 Add Integers_