Respuesta :
Answer:
The equation is given by:
[tex]9-\dfrac{1}{3}x=7[/tex]
Step-by-step explanation:
Let the number be denoted by x.
Now, we are given a word phrase as follows:
One-third of a number less than nine is equal to seven.
Now this word phrase could be mathematically expressed as a equation by:
one-third of x is: 1/3 x
and this number less than 9 is given by:
[tex]9-\dfrac{1}{3}x[/tex]
Now, this number is equal to 7.
i.e. we finally have:
[tex]9-\dfrac{1}{3}x=7[/tex]