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\(\frac{24}{x}\div\frac{8}{3}=\frac{5}{3}\)
\(\frac{24}{x}=\frac{5}{3}\times\frac{8}{3}\)
\(\frac{24}{x}=?\)
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1-\(\left(3\frac{3}{8}+x-2\frac{5}{24}\right)\)\(.\frac{12}{17}=0\)
\(\Rightarrow\left(3\frac{3}{8}+x-2\frac{5}{24}\right)\)\(.\frac{12}{17}\)\(=1\)
\(\frac{27}{8}+x-\frac{53}{24}\) \(=1:\frac{12}{17}\)
\(\frac{27}{8}+x=\frac{17}{12}+\frac{53}{24}\)
\(\frac{27}{8}+x=\frac{34+53}{24}\)
\(\frac{27}{8}+x=\frac{87}{24}\)
\(x=\frac{87}{24}-\frac{27}{8}\)
\(x=\frac{87-81}{24}\)
\(x=\frac{6}{24}=\frac{1}{4}\)
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\(x+3\frac{1}{2}+x=24\frac{1}{4}\\ x+x+\frac{7}{2}=\frac{97}{4}\\ x+x=\frac{97}{4}-\frac{7}{2}\\ x+x=\frac{97}{4}-\frac{14}{4}\)
\(x+x=\frac{83}{4}\\ x=\sqrt{\frac{83}{4}}\)
x + 3/1/2 + x = 24/1/4
2x + 3/1/2 = 24/1/4
2x = 24/1/4 - 3/1/2
2x = 20/3/4
x = 20/3/4 : 2
x = 10/3/8 ( Cách 1 )
x + 3/1/2 + x = 24/1/4
= x + 3,5 + x = 24,25
2x + 3,5 = 24,25
2x = 24,25 - 3,5
2x = 20,75
x = 20,75 : 2
x = 10,375
= 10375/1000
x = 10/3/8 ( Cách 2 )
Bạn có thể chọn 1 trong 2 cách trên
Chúc bạn học tốt !
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b) x - ( 54 +31 - 69x -118) = 654+ (-3x)
x - 54 - 31 + 69x + 118 = 654 - 3x
x + 33 + 69x = 654 - 3x
70x + 3x = 654 - 33
73x = 621
c) 3 /4x+1 = 12/-24
3 /4x+1 = -1/2
=> 3.2 = -4x - 1
4x+1 = -6
4x = -7
x= -7/4
a) -(-313+65)x + (-(-259)) = (375-738)x
248x + 259 = -381x
248x + 381x = -259
629x = -259
x= -7/17
<=> x^2/3=24
<=> x^2 = 24*3
<=> x^2=72
<=> x=\(\sqrt{72}\)
mk ko ghi de nha chuc bn hoc tot