Answer:
answer a because -15/8 is -1.875
 
        
             
        
        
        
Answer:
3x
Step-by-step explanation:
 
        
                    
             
        
        
        
2x+y-3z=12
2x=4z-y
x=2z-y/2
        
             
        
        
        
6 * 3 / sqrt9
<em><u>Using PEMDAS, solve SQRT first.</u></em>
6 * 3 / 3
<em><u>Using PEMDAS, solve 6 * 3.</u></em>
18 / 3
<em><u>Solve.</u></em>
6.
Your answer is 6.