To simplify: the given expression using a number line.
Answer to Problem 2WE
The result of the given expression is
Explanation of Solution
Given Information: An expression
The given expression can be expressed in a number line as shown below and then the result can be found as follows
(1) -5 implies marking 5 units from center point to left side in the number line.
(2) From the previous point, 8 units are to be marked to right corresponding to the number 8.
(3) The coordinate in the previous step is at 3. From this point, 2 units are marked to right,
making the final position to be at 5.
This gives the final answer of the given expression using the number line which is 5
Analytically this can be checked as,
Hence, the simplification of the given expression is obtained.
Chapter 2 Solutions
Algebra: Structure And Method, Book 1
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