480+45x4=(x+125) : 5+260
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\(480+45\cdot4=\frac{\left(x+125\right)}{5}+260\)
\(\frac{\left(x+125\right)}{5}=400\)
\(x+125=2000\)
\(x=1875\)
480+45x4=\(\frac{x+125}{5}+260\)
660=\(\frac{x+125}{5}+260\)
660-260=\(\frac{x+125}{5}\)
400=\(\frac{x+125}{5}\)
400x5=x+125
2000=x+125
x=2000-125
x=1875
![](https://rs.olm.vn/images/avt/0.png?1311)
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
480+180=(x+125):5+260
(x+125):5+260=660
(x+125):5=400
x+125=2000
x=1875
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
480+45.4=(x+125):5+260
660=(x+125):5+260
400=(x+125):5
x+125=2000
x=1875
![](https://rs.olm.vn/images/avt/0.png?1311)
[(x+50).50-50]:50=50
(x+50).50-50=50.50
(x+50).50-50=2500
(x+50).50=2500+50
(x+50).50=2550
x+50=2550:50
x+50=51
x=51-50
x=1
![](https://rs.olm.vn/images/avt/0.png?1311)
1) 50x50=2500
( x+50).50=2500+50=2550
x+50 =2550:50=51
x =51-50=1
![](https://rs.olm.vn/images/avt/0.png?1311)
(x-2005).2006 = 0
x-2005 = 0:2006
x-2005 = 0
x = 0+2005
x = 2005
480+45.4 = (x+125):5+260
48+180 = x:5+125:5+260
228 = x:5+285
228-285 = x:5
-57 = x:5
-57.5 = x
-285 = x
480+45*4 =(x+125):5+260 (x+125):5+260=480+45*4
(x+125):5+260=660
(x+125):5 =660-260
(x+125):5 =400
x+125 =500*4
x+125 =2000
x =2000-125
x =1875
480+45x4=(x+125):5+260
660=(x+125):5+260
(x+125):5=660-260=400
x+125=400x5=2000
x=2000-125
x=1875