85-1,4*(73,7-х)=29
плееезз

85 - 1,4·(73,7 - х) = 2985 - 103,18 + 1,4х = 291,4х = 29 - 85 + 103,181,4х = 47,18х = 47,18 ÷ 1,4х = 33,7