4 + 2x = 12
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Take away 4 from both sides:
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2x = 8
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Divide by 2 on both sides:
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x = 4
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Answer: x = 4
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Answer:
9
Step-by-step explanation:
5 - 3(-2) + 1-3
5 + 6 - 2
11 - 2
9
 
        
                    
             
        
        
        
Answer:
-2 and 12
Step-by-step explanation:
To find the two numbers which are 7 units away from 5, add 7 to 5 and subtract 7 from 5
5+7 = 12
5-7 = -2
 
        
             
        
        
        
There’s no question or problem to this
        
             
        
        
        
L = 6 a^2 b,  W = 3 a b
The area of a rectangle: 
A = L  x W = 
= 6 a² b · 3 a b = 18 a³ b²