Question

Tìm x :

x + 30 = 55 - 15

 

Answer 1

x + 30 = 55 - 15

x + 30 = 40

x        = 40 - 30

x        = 10

Answer 2

Tìm x :

x + 30 = 55 - 15

x + 30 = 40

x        = 40 - 30

x       = 10

Vậy x = 10

Answer 3

tớ làm ngắn gọn nhé

x = 40 - 30

x = 10

Answer 4

x + 30 = 40 

x         = 40 - 30

x         = 10

Answer 5

x + 30 = 55 - 15

x + 30 = 40

        x = 40 - 30

         x = 10

Answer 6

x + 30 = 55 - 15

x + 30 = 40

      x   = 40 - 30

      x = 30.

Tk cho mk nha!

Answer 7

Tìm x :

x + 30 = 55 - 15

x + 30 = 40

x        = 40 - 30

x        = 10

Vậy x = 10

Answer 8

x+30=40

x=40-30

x=10

Answer 9

x​ + 30 = 55 - 15​

​<=>x = (55 - 15) -30

​<=>x =40-30

​<=>x =10

Answer 10

\(x+30=55-15\)

\(\Rightarrow x+30=40\)

\(\Rightarrow x=40-30\)

\(\Rightarrow x=10\)

Vậy: \(x=10\)

Answer 11

x + 30 = 55 - 15

x + 30 = 40

x = 40 - 30

x = 10

k mk nha