X-15деленоеx-3 =2делить3

Question

X-15деленоеx-3 =2делить3

Answer 1

(х-15) \ ( х - 3 ) = 2\3
(х - 15 ) * 3 = ( х - 3 ) * 2
3х - 45 = 2х - 6
х = 45 - 6 = 39