Change 4% into a decimal (.04) 
14.30 x .04 = .57
 Add the tax to product
14.30 + .57 = 14.87
        
             
        
        
        
Answer:
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Answer:
Answer is 6y+3
Step-by-step explanation:
The working step is at the diagram above:))
Thanks for moderators for helping me with my answer:))
 
        
             
        
        
        
<span>In order for an equation to have an infinite number of answers, the simplified equation should be x=x. In evaluating the above equation, -3 inserted in the box results in this simplified equation. The answer is therefor #1: -3</span>