Question

решите уравнение -0.25x+0.8=1.3

Answer 1

-0,25х=1,3-0,8
-0,25х=0,5 | (-0,25)
х=-2
ответ:х=-2

Answer 2

-0.25 Х=-0.8+1.3
-0.25Х=0.5
Х=0.5:0.25
Х=2

Answer 3

-0.25 Х=-0.8+1.3
-0.25Х=0.5
Х=0.5:0.25
Х=2

Answer 4

-0,25х=1,3-0,8
-0,25х=0,5 | (-0,25)
х=-2
ответ:х=-2