1 answer:
            
              
              
                
                
R= 5 
You divide -7 by both sides to 1. Cancel out the -7 2. To simplify the -35. So simplified -35/-7=5
                                
             
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Answer:
d) x=4
Step-by-step explanation:




divide 10 in both sides

x=4
 
        
             
        
        
        
The given expression is

We just have to divide by 2

<h2>Hence, the solution is all real numbers less than 10.</h2>
 
        
             
        
        
        
Answer:
a) the answer if the substitute is 300 
 
        
             
        
        
        
Where is q? What should i do?
        
             
        
        
        
Answer: [-1,infinity)
Step-by-step explanation: