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What is an equation that is true for all values of the variable?

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Cidne Carles
Cidne CarlesLv10
19 Oct 2020

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Equations and Inequalities
Equations: True or False?
Independent Practice
1. Consider the statement: 4 - 3 + 5 = -6 + 8 + 4. This is a mathematically correct sentence.
Is the sentence true or false? Explain how you know.
 
2. Determine if the sentence is true. Select all that apply.
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3. Determine whether the following number sentences are TRUE or FALSE. Justify your answer.
 
                                        
  
 
                                                       
 
 
4. For the equation, x-7=24, can a value be substituted for x to make that a true number sentence? How many values could be substituted for x and have a true number sentence?
 
5. Consider x+4=x+8 . What values could be substituted for x to make this a true number sentence? Explain how you know.
 
6. Determine what value(s) for the variable would make each algebraic equation a true number sentence.
is true for                      _______________.
is true for         _______________.
  is true for         _______________.
 
7. Which of the following has the correct solution given for x? Check all that apply.
 
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