Concept explainers
To evaluate: the value of the expression
Answer to Problem 6MRE
The value of the expression is
Explanation of Solution
Given information: The expression
Concept Involved:
Substitute the values given for the variable in the expression and simplify
When adding integer with same sign we need find their sum and retain the sign of the larger number to the answer.
When adding integers with different signs we need to find their difference and retain the sign of the larger number to the answer.
When subtracting integers, we need to change the subtraction problem to addition problem by changing the sign of the integer we are subtracting, then following the rules of adding integers.
Calculation: Substituting -1 for x , 4 for y and 3 for w in the expression
Rewrite the subtraction problem as an addition problem inside the absolute value expression
Adding the integers inside the absolute value expression
Drop the absolute value by writing the number inside the absolute value as positive
Rewrite the subtraction problem as an addition problem
Adding the integers
-2
Conclusion:
The value of the given expression
Chapter 4 Solutions
Algebra: Structure And Method, Book 1
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