Respuesta :
The expression 3x - 12 will be the triple x number, decreased by 12.
How to form an equation?
Determine the known quantities and designate the unknown quantity as a variable while trying to set up or construct a linear equation to fit a real-world application.
In other words, an equation is a set of variables that are constrained through a situation or case.
Let's say that number which is gonna Tripple is x
Then triple = 3x
The decrease is also referred for subtraction
So,
Decrease by 12 will be 3x - 12.
Hence " The expression 3x - 12 will be the triple x number, decreased by 12".
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