Answer :
The equation that represents the model is 6x + 3 = 27, the solution of the equation is x = 4
Total number of pack of eraser = 6
Number of eraser in one pack = x
Number of erasers in 6 pack = 6x
Add 3 more erasers
Total number of erasers = 6x + 3
Total number of erasers = 27
Then the equation that represents the model will be
6x + 3 = 27
Solve the equation
6x = 27 - 3
Subtract the numbers
6x = 24
x = 24/6
Divide the numbers
x = 4
Therefore, the equation is 6x + 3 = 27, and the solution of the equation x = 4
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