89375+а=90000

To solve the equation 89375 + a = 90000, we need to isolate the variable "a" on one side of the equation.

First, we subtract 89375 from both sides of the equation:

89375 + a - 89375 = 90000 - 89375

This simplifies to:

a = 625

Therefore, the value of "a" is 625.