Question

х-1/2=0,8

2,5-х=1целая 1/4

(х+0,5)-2,15=6

Answer 1

1)х-0.5=0.8
х=0.8+0.5
×=1.3
2)2.5-х=1.25
2.5-1.25=х
х=1
3)х+0.5=6+2.15
х+0.5=8.15
х=8.15-0.5
х=7.65