... combine any arithmetic operator with the assignment operator, as the following table shows. These operators are collectively known as the compound assignment operators. Don't write this ... variable - number; variable -= number; TIP The compound assignment operators share the same precedence and right associativity as the simple assignment operator. ... common that Microsoft Visual C# lets you perform this task in shorthand manner by using the compound assignment operator, +=. To add 42 to answer, an experienced programmer would write the following...