For this case we have the following equations:
 5y = 3-2x
 5y-3 = -2x
 2x + 5y = 3
 2x + 5y-3 = 0
 The standard form of the equations is given by:
 Ax + By = C
 Therefore, the equation written in its standard form is:
 2x + 5y = 3
 Where,
 A = 2
 B = 5
 C = 3
 Answer:
 The equation that is the standard form is:
 2x + 5y = 3
        
             
        
        
        
The sum of the 9th square number and 3rd cube number is 108
        
                    
             
        
        
        
50 degrees I’m guessing is the answer
        
             
        
        
        
Of means multiply 
3/5 *n=30
3/5 5/3 cancels than you do 30 *5/3 =50 
The answer is 50 you can check your answer by doing 3/5 *50=150/5 or 30 so it's correct .