Ответ:
( 26,7 - x )*0,5 = 8,35
13,35 - 0,5x = 8,35
-0,5x = -5
0,5x = 5
x = 10
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Ответ:
( 26,7 - x )*0,5 = 8,35
13,35 - 0,5x = 8,35
-0,5x = -5
0,5x = 5
x = 10