Whats 87 less than the quotient of an unknown number and 43 is - 75?

87 less than the quotient of an unknown number and 43 is - 75

Converting that to mathematical equation:

87 - (x / 43) = - 75

Evaluating the equation, we can the value of x.

87 - (x/43) = - 75

-x/43 = - 75 - 87

-x/43 = - 162

-x = - 6966

x = 6966