Enter the equation in which you got the decimal into your TI-84 calculator. Then press the math button. After, select Frac, which stands for fraction. Then press “enter” twice.
        
             
        
        
        
Answer:
x=5
Step-by-step explanation:
x+5 = -3x+25
Add 3x to each side
x+3x+5 = -3x+3x+25
4x +5 = 25
Subtract 5 from each side
4x+5-5 = 25-5
4x = 20
Divide each side by 4
4x/4 = 20/4
x =5
 
        
                    
             
        
        
        
Answer:
sales tax= 9 %
Step-by-step explanation:
sales tax= cost x %tax
38.70 = 430 x %tax
%tax = 38.7/430 = 0.09 = 9 %
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The answer for question number 1 is : 2x + 4
and for question number 2 : 10
        
             
        
        
        
Answer:
Step-by-step explanation:
Sorry