ĐKXĐ: x<>0
\(\dfrac{6}{-x}=\dfrac{x}{-24}\)
=>\(\dfrac{6}{x}=\dfrac{x}{24}\)
=>\(x^2=6\cdot24=144\)
=>\(\left[{}\begin{matrix}x=12\left(nhận\right)\\x=-12\left(nhận\right)\end{matrix}\right.\)
ĐKXĐ: x<>0
\(\dfrac{6}{-x}=\dfrac{x}{-24}\)
=>\(\dfrac{6}{x}=\dfrac{x}{24}\)
=>\(x^2=6\cdot24=144\)
=>\(\left[{}\begin{matrix}x=12\left(nhận\right)\\x=-12\left(nhận\right)\end{matrix}\right.\)
a.x/60=-3/4
b. 2/5=12/x
c. x-5/7 =6/21
dx+7/8 =63/24
e x/6=24/x
f .x+5= 4/x+5
g. x+12/x+8=4/3
h. x+9/x+7=9/8
Tìm x \(\varepsilon\)IN biết
a) 390 - (x-8) = 168:13
b) (x-140) : 7 = 27 - 24
c) x- 6 :2 - ( 48 - 24 ) :2 :6 - 3 = 0
d) x+5.2-(32+16.3:6-15)=0
7(x-9)-5(6-x)=-6+11x
10(x-7)-8(x+5)=6(-5)+24
/x+6/=0
-6./x/=-24
`-6/x=-x/24`
-3(x-5)+6(x+2)=9
7(x-9)-5(6-x)=-6+11x
10(x-7)-8(x+5)=6(-5)+24
Tìm x, biết: x ⋮ 6 và 24 ⋮ x
A. x∈{±6;±24}
B. x∈{±6;±12;±24}
C. x∈{±6;±12}
D.x∈{±6;±12;±8;±24}
/x+6/=0
-6 ./x/=-24
a) 24:x, 6 : x, 150 : x và x lớn nhất