Выполнить действия (1,87+1,955)/0,85-(2*1,75-3,5)*4,62=

(1.87+1.955)/0.85-(3*1.75-25)*1.62=(1.87+1.955)/0.85+19.75*1.62=3.825/0.85+19.75*1.62=4.5+3199.5=3204

25-x/1.02=4.2

25-x=4.2*1.02

25-x=4.284

x=25-4.284

x=20.716

144/x-7.6=82.4

144/x=82.4+7.6

144/x=90

x=144/90

x=1,6