Question

Срочно пожалуйста!!!!!!!!

Answer 1

1)
0.8-1.5х+2=-0.8+4.5х
2.8-1.5х=4.5х-0.8
4.5х+1.5х=2.8+0.8
6х=3.6
х=3.6÷6
х=0.6

2)
0.6х-1.5х-1=0.5х-0.5-0.8
-0.9х-1=0.5х-1.3
-0.9х-0.5х=-1.3+1
-1.4х=-0.3
х=-0.3÷(-1.4)
х=3/14