Ответ:
1) 9x = 2/5
x = 2/5 ÷ 9
х = 2/45
2) 3x = 2 1/7
x = 2 1/3 ÷ 3
x = 7/9
3) 1/2x = 3
x = 3 ÷ 1/2
x = 6
4) 3/4x = 1/2
x = 1/2 ÷ 3/4
x = 4/6 = 2/3
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Ответ:
1) 9x = 2/5
x = 2/5 ÷ 9
х = 2/45
2) 3x = 2 1/7
x = 2 1/3 ÷ 3
x = 7/9
3) 1/2x = 3
x = 3 ÷ 1/2
x = 6
4) 3/4x = 1/2
x = 1/2 ÷ 3/4
x = 4/6 = 2/3