negative 1 over 2 x 2 = - x 7

-1 / (2*2) = - x7

-1/4 = - x7

-1/4 : - 7 = - x7/-7

-1/4 * - 1/7 = x * dividing fractions, the 2nd fraction must be in its reciprocal form.

-1/28 = x - 7 in fraction for is - 7/1 and in reciprocal form is - 1/7

* multiply the 1st fraction to the reciprocal of the 2nd fraction

x = - 1/28 * simplify the fraction.