1. Solving One-Step Equations
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Pay close attention to the order of operations.
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According to the order of operations, the multiplication and division are evaluated first, while addition and subtraction are evaluated last. For the given expression, this means that we should evaluate the multiplication before calculating the subtraction.
| Operation | Before Simplification | After Simplification |
|---|---|---|
| Multiply | -1+ 2*3-4 | -1+ 6-4 |
| Add and subtract terms | -1+ 6- 4 | 1 |
The expression equals 1.