Answer: x=4
Step-by-step explanation:
2x-3(x+4)=3x-4 
distribute 2x-3x-12=3x-4 
combine like terms 5x-12=3x-4
Move everything to one side 2x-8=0
Get x by itself 2x=8
Divide by 2 x=4
 
        
             
        
        
        
M = -8 
-15 minus -7 equals -8
        
             
        
        
        
Answer:
123 tons
Step-by-step explanation:
1) Convert 12 1/3 tons to a decimal - 12.3
2) multiply 12.3 by 10 - 123 tons
 
        
                    
             
        
        
        
Answer:
4. 9
5. 4
6. 35
Step-by-step explanation:
 
        
                    
             
        
        
        
9514 1404 393
Answer:
   √42 ≈ 6.48074
Step-by-step explanation:
Put the values in place of the corresponding variables and do the arithmetic.
   
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42 = 2·3·7 is not a perfect square, nor does it have any perfect square factors. Its square root is irrational.