Multiple Choice Questions. Tick Only One Option.
Thrice of a number added to $3$ gives $7$ , means

$7 + 3 x = 3$

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$3 x + 3 = 7$

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$3 x - 7 = 3$

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$3 x - 3 = 7$

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Solution

The correct option is B
$3 x + 3 = 7$

Let the number be $x$ .
Thrice of that number will be $3 x .$
When added to three it will become $= 3 x + 3$
According to question $3 x + 3$ gives $7$
Then, $3 x + 3 = 7$
Hence the option $(b)$ is the correct answer.

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