Question

x+80-10=90

x=?

Answer 1

x + 80 - 10 = 90

x = 90 - ( 80 - 10 )

x = 90 - 70

x = 20

Answer 2

x+80-10=90

x=90+10-80

x=100-80

x=20

Answer 3

x + 80 - 10 = 90

          x     = 90 - ( 80 - 10 )

          x     = 90 -     70

          x     =      20

tink nhé

Answer 4

x + 80 - 10 = 90

x + 80 = 90 + 10

x + 80 = 100

x = 100 - 80

x = 20

tích mk nhé

Answer 5

x = 90 + 10

x = 100 - 80

x = 20

Answer 6

dễ mà

x=20

Answer 7

X + 80 - 10 = 90

X               = 90 + 10 - 80

X               = 20

k nhé Chi Pu !