1) 12 + x = 13x = 13 - 12x = 1
2) 14 : x = 214 = 2xx = 14 / 2x = 7
3) 6x = 18x = 18 / 6x = 3
Ответ:1) x = 12) x = 73) x = 3
1) 12 + x = 13
x = 13 - 12
x = 1
2) 14 : x = 2
14 = 2x
x = 14 / 2
x = 7
3) 6x = 18
x = 18 / 6
x = 3
Ответ:
1) x = 1
2) x = 7
3) x = 3