i’ll make u the brainliest too

Just tell me how to set up the equation.

The reflexive property of congruence lets you say that ∠pqr ≅

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?