24+5x=7÷7
24 + 5x = 7 mũ 5 : 7 mũ 3
\(24+5x=7^5:7^3\)
\(24+5x=7^2\)
\(24+5x=49\)
\(5x=49-24\)
\(5x=25\)
\(\Rightarrow x=5\)
Vậy \(x=5\)
24+5x=7^5:7^3
<=>24+5x=7^5-3
<=>24+5x=7^2
<=>24+5x=49
<=>5x =49-24
<=>5x =25
<=>x =25:5
<=>x =5
Vậy x = 5
24 + 5x = 7 mu 5 : 7 mu 3
24 + 5x = 7^5 : 7^3
=> 24 + 5x = 7^2
=> 24 + 5x = 49
=> 5x = 25
=> x = 5
24 + 5x = 7 ^ 5 / 7 ^ 3
24 + 5x = 7 ^ (5 - 3)
24 + 5x = 7 ^ 2
24 + 5x = 49
5x = 49 - 24
5x = 25
x = 25 / 5
x = 5
\(24+5x=7^5:7^3\)
\(24+5x=7^2\)
\(24+5x=49\)
\(\Rightarrow5x=25\)
\(\Rightarrow x=5\)
(24+5x).\(7^{2003}=7^{2004}\)
\(\left(24+5x\right).7^{2003}=7^{2004}\)
\(24+5x=7\)
\(5x=-17\)
\(x=\frac{-17}{5}\)
\(\left(24+5x\right).7^{2003}=7^{2004}\)
\(\Rightarrow24+5x=7^{2004}:7^{2003}\)
\(\Rightarrow24+5x=7^{2004-2003}\)
\(\Rightarrow24+5x=7\)
\(\Rightarrow5x=-17\)
\(\Rightarrow x=-\frac{17}{5}\)
Vậy \(x=-\frac{17}{5}\)
(24 + 5x ) \(.7^{2003}=7^{2004}\)
\(\Rightarrow24+5x=7^{2004}:7^{2003}\)
\(\Rightarrow24+5x=7^{2004-2003}\)
\(\Rightarrow24+5x=7^1\)\(\Rightarrow5x=7-24\)
\(\Rightarrow5x=-17\)\(\Rightarrow x=\frac{-17}{5}\)
TÌM x:
24+5x= 76: 74
\(24+5x=7^6:7^4\)
\(\Rightarrow24+5x=7^2\)
\(\Rightarrow24+5x=49\)
\(\Rightarrow5x=49-24\)
\(\Rightarrow5x=25\)
\(\Rightarrow x=25:5\)
\(\Rightarrow x=5\)
Vậy x = 5
_Chúc bạn học tốt_
24+5x=76:74
24+5x=72
24+5x=49
5x=49-24
5x=25
x=25:5
x=5 học tốt nha bạn
5x
24+5x=76-4
24+5x=72
24+5x=49
5x=49-24
5x=25
=>x=2
Tk mk nha,chúc bn học tốt!!!
24 + 5x = 76 : 74
\(24+5x=7^6:7^4\)
\(24+5x=7^{6-4}\)
\(24+5x=7^2\)
\(24+5x=49\)
\(5x=49-24\)
\(5x=25\)
\(x=5\)
\(24+5x=7^6:7^4\)
\(24+5x=7^2\)
\(24+5x=49\)
\(5x=49-24\)
\(5x=25\)
\(x=25:5\)
\(x=5\)
\(\Leftrightarrow24+5x=7^2=49\)
\(\Leftrightarrow5x=49-24\)
\(\Leftrightarrow5x=25\)
\(\Leftrightarrow x=5\)
Tìm x:
a) -2x + \(\dfrac{5}{7}\) = - \(\dfrac{5}{15}\) - \(\dfrac{3}{24}\)
b) 9 - 5x = - \(\dfrac{6}{18}\) + \(\dfrac{2}{7}\)
a: \(\Leftrightarrow-2x=-\dfrac{1}{3}-\dfrac{1}{8}-\dfrac{5}{7}=-\dfrac{197}{168}\)
hay x=197/336
c: \(\Leftrightarrow5x=9+\dfrac{6}{18}-\dfrac{2}{7}=\dfrac{190}{21}\)
hay x=38/21
Tìm GTNN
C=5+(-8)/4.|5x+7|+24
Câu 2 : tìm x A, 7/8 + x = 3/5 B, 1/3 : ( 2x - 1 ) = -4/24 C, 17/2 - ( x - 3/4 ) = -7/4 D, ( 3x + 2 ) . ( -2/5x -7 ) = 0
a:x=3/5-7/8=24/40-35/40=-11/40
b: =>1/3:(2x-1)=-1/6
=>2x-1=-2
=>2x=-1
=>x=-1/2
c: =>x-3/4=17/2+7/4=34/4+7/4=41/4
=>x=11
d: =>3x+2=0 hoặc 2/5x+7=0
=>x=-2/3 hoặc x=-7:2/5=-35/2