Question

tìm số tự nhiên x biết

70-5.(x-3)=45

 

Answer 1

\(70-5.\left(x-3\right)=45\)

\(5.\left(x-3\right)=70-45\)

\(5.\left(x-3\right)=25\)

\(x-3=25:5\)

\(x-3=5\)

         \(x=5+3\)

         \(x=8\)

Answer 2

70-5.(x-3)=45

5.(x-3)=35

x-3=7

->x=10

Answer 3

\(70-5.(x-3)=45\)

\(5.\left(x-3\right)=70-45\)

\(5.\left(x-3\right)=25\)

\(x-3=25:5\)

\(x-3=5\)

\(x=5+3=8\)

Học tốt nhé !!

Answer 4

70-5(x-3)=45

5(x+3)=70-45

5(x+3)=25

x+3=25:5

x+3=5

x=5-2

x=3

Answer 5

70 - 5 . ( x - 3 ) = 45

5 . ( x - 3 ) = 70 - 45

5 . ( x - 3 ) = 25

x - 3 = 25 : 5 

x - 3 = 5

x = 5 + 3

x = 8

vậy x = 8

Answer 6

70-5.(x-3)=45

     5.(x-3)=70-45

     5.(x-3)=25

          x-3=25:5

          x-3=5

          x   =5+3

          x   =8

Answer 7

Xin loi moi nguoi cau nay minh sai