x + 5,84 = 7,32 x 4
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![](https://rs.olm.vn/images/avt/0.png?1311)
a: =>x:1.08=2,4
hay x=2,592
b: =>x=37,6:4=9,4
c: =>x:4,8=17,4
hay x=83,52
d: =>12-x=9,4
hay x=2,6
\(a,\left(x:1,08\right)-0,6=1,8\\ \Rightarrow x:1,08=2,4\\ \Rightarrow x=2,592\\ b,x\times4=37,6\\ \Rightarrow x=9,4\\ c,x:4,8=15+2,4\\ \Rightarrow x:4,8=17,4\\ \Rightarrow x=83,52\\ d,12-x=37,6:4\\ \Rightarrow12-x=9,4\\ \Rightarrow x=2,6\\ g,x+5,84=9,16\\ \Rightarrow x=3,32\\ h,x-8,7=12,5\times5\\ \Rightarrow x-8,7=62,5\\ \Rightarrow x=71,2\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, \(x+5,84=9,16\)
\(\Leftrightarrow x=9,16-5,84\)
\(\Leftrightarrow x=3,32\)
\(b,x-0,35=2,55\)
\(\Leftrightarrow x=2,55+0,35\)
\(\Leftrightarrow x=2,9\)
\(a)x+5,84=9,16\)
\(x=9,16-5,84\)
\(x=3,32\)
\(b)x-0,35=2,55\)
\(x=2,55+0,35\)
\(x=2,9\)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
x + 5.84 = 9.16
x = 9.16 - 5.84
x = 3.32
b) x - 0.35 = 2.55
x = 2.55 + 0.35
x = 2.9
Nguyễn Thị Thùy Trang 1
x + 5,84 = 9,16
=> x = 9,16 - 5,84
=> x = 3,32
![](https://rs.olm.vn/images/avt/0.png?1311)
a)6,953.(3,7+6,2+0,1)
=6,953.10
=69,53
b)4,79+5,84+5,21+4,16
=(4,79+5,21)+(5,84+4,16)
=10+10
=20
chúc bạn học tốt !!!
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 12,6 – 7,859 = 4,471
b, 26,85 + 1,76 + 0,9 = 29,51
c, 78,2 x 5,84 = 456,688
d, 455 : 7,28 = 62,5
x + 5,84 = 7,32 x 4
x + 5,84 = 29,28
x = 23,44
Vậy.....
x + 5,84 = 7,32 x 4
x + 5,84 = 29,28
x = 29,28 - 5,84
x = 23,44