Concept explainers
To find the open sentence of
Answer to Problem 13WE
The value of open sentence is
Explanation of Solution
Given open sentence is
Value of open sentence means a sentence is it true and depend upon the variable values .
Multiply both the sides by 90, the LCM of 9 and 10
Apply distributive property and simplify
Use factorization and simplify
Now, check the variable value satisfied the sentence with zero product property.
Hence, the open sentence variable values are
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