24 000 : ( Х - 12 ) = 80
24000/x-12=80
24000=80(x-12)
300=X-12
-X=-12-300=-312
X=312
24 000 : ( 312 - 12 ) = 80
24 000 : ( Х - 12 ) = 80
24000/x-12=80
24000=80(x-12)
300=X-12
-X=-12-300=-312
X=312
24 000 : ( 312 - 12 ) = 80