X:6+180 = 250, 80-6×x=26 ПО ШАГАМ

X:6+180 = 250
х : 6 = 250 - 180
х : 6 = 70
х = 70 × 6
х = 420
_____________
420 : 6 + 180 = 250
80-6×x=26
6 × Х = 80 - 26
6 × Х = 54
х = 54 : 6
х = 9
__________
80 - 6 × 9 = 26

Х/6+180=250
х/6=70
х=420
80-6х=26
6х=54
х=9