Question

Х-(0,52+0,25•0,52х)==140 срочно

Answer 1

Х-(0.52+0.25×0.52х)=140

Х-(0.52+0.13х)=140

Х-0.52-0.13х=140

Х-0.13х=140+0.52

0.87х=140.52

Х~161.52

Answer 2

х = 140,52 : 0,87 ~= 161,52