Skip to content
Algebra Review
Example 5

Example 5: Mixed Algebra Review

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

Problem

Evaluate 2+474\text{Evaluate }-2+-4\cdot7--4

1. Recognize Pattern

a+bdca+(bd)ca+b\cdot d-c\Rightarrow a+(bd)-c

2. Apply Method

1+183=12-1+-1\cdot8-3=-12

3. Conclude

2+(47)4=26-2+(-4\cdot7)--4=-26

Final answer

2+(47)4=26-2+(-4\cdot7)--4=-26