2/0,5 = х - 4/5
0,5 × (х - 4) = 5 × 2
0,5х - 2 = 10
0,5х = 10 + 2
0,5х = 12
х = 12
х = 12 : 0,5
х = 24
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2/0,5 = х - 4/5
0,5 × (х - 4) = 5 × 2
0,5х - 2 = 10
0,5х = 10 + 2
0,5х = 12
х = 12
х = 12 : 0,5
х = 24