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Question

The sum of three times a number and 12 is equal to 18. What is the number?

A
1
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B
2
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C
3
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D
4
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Solution

The correct option is B 2
Given, the sum of three times a number and 12 is equal to 18.
Let the number be x.
3 times x = 3x
Given, the sum of 3x and 12 is equal to 18.
3x+12=18
Transposing 12 to the other side, we get
3x=1812
3x=6
x=2
Hence, the required number is 2.

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