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Question

3(x+1)=125x
Which of the following best describes the solution set to the equation shown above ?


A
The equation has no solution.
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B
The equation has exactly one solution, x=716 
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C
The equation has exactly one solution, x=74 
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D
The equation has infinitely many solutions
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Solution

The correct option is B The equation has exactly one solution, x=716 
3(x+1)=125x
3x+3=125x
Add 5x on both sides and substract 3 from both sides
3x+3+5x3=125x+5x3
8x+3 =123
8x=72
x=716
The equation has exactly one solution, x=716 

Hence, option B is correct.

Mathematics

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