-(0,8x-2,4)+0,5 (4+x)=12,5

Question

-(0,8x-2,4)+0,5 (4+x)=12,5

Answer 1

-0.8х+2.4+2+0.5х=12.5
-0.3х=12.5-2.4-2
-0.3х=8.1
х=-27

Answer 2

-0.8х+2.4+2+0.5х=12.5
-0.8х+0.5х=12.5-2.4-2
-0.3х=8.1
х=8.1:(-0.3)
х=27