9.4+(8.7-x)=0.1...

Question

9.4+(8.7-x)=0.1
срочно!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

9,4+(8,7-x)=0,1
8,7-x=0,1-9,4
8,7-x= -9,3
-x= -9,3-8,7
-x= -18
x=18

Answer 2

8,7-х=0,1-9,4
8,7-х=-9,3
-х=-9,3-8,7
-х=-18
х=18