Question

Tim x biết 480+45.4= (x+125):5+260

Answer 1

480 + 180 = ( x + 125 ) : 5 + 260

( x + 125 ) : 5 + 260 = 660

( x + 125 ) : 5 = 660 - 260 = 400

x + 125 = 400 . 5 = 2000

x = 2000 - 125 = 1875 

Answer 2

480+180=(x+125):5+260

(x+125):5+260=660

(x+125):5=400

x+125=2000

x=1875