Question

[huynh hoa]

[( x + 50).50-50]:50 = 50

​480 + 45.4 =  (x + 125) :5 + 260;

Answer 1

[Khoa Phạm]

+)(x+50).50-50=50² -> x+50=(50²+50):50 -> x+50=50+1=51 -> x=1 +) (x+125):5= 480+45.4-260=220+45.4 -> x+125=(220+45.4).5 -> x= (220+45.4).5-125=1875