Question

Tìm x

400 + 300 = 100 + 500 + x

 

Answer 1

400 + 300 = 100 + 500 + x

700 = 600 + x

x = 700 - 600

x = 100 

Answer 2

 400 + 300 = 100 + 500 + x

700           = 600 + x

x              = 700 - 600 

x             = 100

Answer 3

\(400+300=100+500+x\)

              \(700=600+x\)

                   \(x=700-600\)

                   \(x=100\)

Answer 4

x=100

Answer 5

x=100