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Algebra Review
Example 5

Example 5: Mixed Algebra Review

Step-by-step worked example for this lesson track.

Problem

Evaluate −2+−4⋅7−−4\text{Evaluate }-2+-4\cdot7--4

1. Recognize Pattern

a+b⋅d−c⇒a+(bd)−ca+b\cdot d-c\Rightarrow a+(bd)-c

2. Apply Method

−1+−1⋅8−3=−12-1+-1\cdot8-3=-12

3. Conclude

−2+(−4⋅7)−−4=−26-2+(-4\cdot7)--4=-26

Final answer

−2+(−4⋅7)−−4=−26-2+(-4\cdot7)--4=-26
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