Мне сказали делать помогите я 5 класс я не понимаю 1.5x - 9= 11
2.12 + 3x = 18
3.144 - 5x = 104
4.11x + 21 =153
5.450: (x - 5) = 15
6.(x + 21) 5 = 120
7.(93 – x): 4 = 16
8.72 : x + 2 = 6
9.(17+ x) -13 - 247
10. X: 633= 28
2.12 + 3x = 18
3.144 - 5x = 104
4.11x + 21 =153
5.450: (x - 5) = 15
6.(x + 21) 5 = 120
7.(93 – x): 4 = 16
8.72 : x + 2 = 6
9.(17+ x) -13 - 247
10. X: 633= 28
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