X+3,75=17 12,1-x=8,05. X-3,2=18,08

Question

X+3,75=17 12,1-x=8,05. X-3,2=18,08

Answer 1

Х+3,75=17
х=17-3,75
х=13.25

12.1-х=8,05
х=12.1-8.05
х=4,05

х-3.2=18.08
х=18.08+3.2
х=21.28