Answer
$\frac{7}{2-x}$
Work Step by Step
"The quotient of" means division
"The quotient of seven and" means $7\div something$
"and the difference of" means the something will be a subtraction expression
"the difference of two and a number" means $(2-x)$
so
$7\div(2-x)$ or
$\frac{7}{2-x}$
