Answer:
241
Step-by-step explanation:
 
        
             
        
        
        
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Collect like terms 


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The table is attached as a figure 
The given equation is ⇒⇒⇒⇒ y = 2x
To solve this equation, we need to pick numbers from the table then this number will be substituted into the equation to find y
we need 3 solutions . so, we need to pick 3 numbers of x
From the table, let us choose x = 0
y = 2x 
y = 2 * (0) 
y = 0
From the table, let choose second value of x such as x = 1
y = 2 * (1) 
y = 2 
From the table, let choose third value of x such as x = -1
y = 2 * (-1)
y = -2
So, the picked three solutions are y = 0  at   x = 0y = -2  at  x = -1y = 2 at  x = 1
 
        
        
        
The statement on the bottom left is correct. (6 students studied for 20 to 24 hours)