Question

[phung mai phuong]

x-678=456+89

Answer 1

[Ly Linh Lung]

x-678=545

x      =545+678

x      =1223

Answer 2

[le ngoc mai]

x - 678 = 456 + 89

x - 678 = 545

x         = 545 + 678

x         = 1223