Question

40-3х=10 решите пж уравнение

Answer 1

40 - 3х = 10,
-3х = 10 - 40,
-3х = -30,
х = -30 : (-3),
х = 10,

проверка:
40 - 3*10 = 10,
40 - 30 = 10,
10 = 10

Answer 2

можно просто:

Answer 3

3x=40-10=30

Answer 4

Спасибо

Answer 5

-3x=10-40
-3x=-30
-x=-10
x=10