Question

решите уравнение!!! даю 20 баллов

Answer 1

18/5-х=14/5
х=18/5-14/5
х=4/5

Answer 2

x = 9/5 - 8/5

Answer 3

x = 1/5

Answer 4

9/5-x=8/5
-x=8/5-9/5
-x=8-9 вниз 5
-x=-1/5
x=1/5