Form the equation.
$15$ subtracted from thrice of a number.

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Solution

Formation of an equation:
Let the number be $x$ .
Thrice of $x$ is $3 x$ .
According to statement, $15$ subtracted from $3 x$ ,
Hence, expression is $3 x - 15$ .

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Form the equation.15 subtracted from thrice of a number.

Formation of an equation:Let the number be x.Thrice of x is 3x.According to statement, 15 subtracted from 3x,Hence, expression is 3x-15.

Form the equation.
$15$ subtracted from thrice of a number.

Formation of an equation:
Let the number be $x$ .
Thrice of $x$ is $3 x$ .
According to statement, $15$ subtracted from $3 x$ ,
Hence, expression is $3 x - 15$ .