Question

Помогите дам 10 балов х:3=27:9*5
39 +х=42*2+5
36*х=64:8*9

Answer 1

1.
х:3=27:9*5
х/3=15
х=45

2.
39+х=42*2+5
39+х=84+5
39+х=89
х=89-39
х=50

3.
36*х=64:8*9
36х=72
х=2

Answer 2

X : 3 = 27 : 9 * 5

X : 3 = 3 * 5

X : 3 = 15

X = 15 * 3

X = 45

Ответ: X = 45.

39 + X = 42 * 2 + 5

39 + X = 84 + 5

39 + X = 89

X = 89 - 39

X = 50

Ответ: X = 50.

36 * X = 64 : 8 * 9

36 * X = 8 * 9

36 * X = 72

X = 72 : 36

X = 2

Ответ: X = 2.