The goal of this exercise is to evaluate the given expression. This is an algebraic expression that contains the variables and . We will evaluate this expression by substituting the number for variable and for variable and calculating.
An algebraic expression is an expression containing a number and at least one variable. In order to evaluate an algebraic expression, substitute a number for each variable and then simplify. When simplifying expressions, it is a must to follow the order of operations.
- Compute within grouping symbols.
- Multiply and/or divide in order from left to right.
- Add and/or subtract in order from left to right.
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