0,8*x+0.95*x+49.7=84.7

Question

0,8*x+0.95*x+49.7=84.7

Answer 1

0,8*х+0.95*х+49.7=84.7 1.75*x=35 х=20

Answer 2

0.8х+0.95х+49.7=84.7
1.75х=84.7-49.7
1.75х=35
х=35:1.75
х=20
Ответ:20