( 8 3\16+x) -7 3\4 = 24 7\8
( 8 3/16 + х) - 7 3/4 = 24 7/8 (131/16 + х) - 31/4 = 199/8 (131/16 + х) = 199/8 + 31/4 (131/16 + х) = 199/8 + 62/8 131/16 + х = 261/8 х = 261/8 - 131/16 х = 522/16 - 131/16 х = 391/16 х = 24,4375 х = 24 7/16
Спасибо, исправила