Answer:
the first one 
Step-by-step explanation:
75 is constant plus 13.5 every time and you want it to be equal or more than 130
 
        
             
        
        
        
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Answer:

Step-by-step explanation:

 
        
                    
             
        
        
        
Like a first step bc. there is a denominator this will be more usefully eliminate it so what you can make it multiplied both sides by 2 
- so will get 
-2/2x +2*3/2 = 2(-4x+7)/2
(-2x +6)/2 = 2(-4x+7)/2   common denominator the 2 so make the numerators equal and solve for x 
-2x+6=-8x+14
6x=8
hope helped