Question

помогите 412 номер спасибо

Answer 1

63 + х = 80 х = 80 - 63 х = 17 х : 15 = 0 х = 0 23 - х = 15 х = 23 - 15 х = 8 18 : х = 6 х = 18 : 6 х = 3

Answer 2

2х + 80 = 90

Answer 3

2х + 8х = 90 (ой)

Answer 4

х = 10х

Answer 5

х = 90 : 10

Answer 6

х = 9