Các câu hỏi tương tự
2. tìm x
a) \(\left(x-1\right)^3=8\)
b) \(7^{2x-6}=49\)
c) \(\left(2x-14\right)^7=128\)
d) \(x^4.x^5=5^3.5^6\)
e) \(\left[3.\left(x+2\right):7\right].4=120\)
tìm x thuộc Z
\(\left(\frac{3}{4}\right)^{2x}=\frac{1.2.5^9.\left(-7\right)^{10}+3.7^9.\left(-5\right)^{11}}{35^92^4}\)
Tìm x
\(\left(2x+1\right).\left(2x-3\right)=7\)
\(x.\left(x-7\right)+3.\left(x-7\right)=11\)
Nhờ mn giúp mik với ạ
Tìm GTNN
A= \(\left(x-3y\right)^2+\left(2x-1\right)^4\)
B= \(\left|x-2\right|+\left|3x-2y\right|-4\)
C= \(\dfrac{-4}{\left|x+1\right|\left|y-3\right|+2}\)
D=\(\left|x-5\right|+\left|x-1\right|+7\)
Tìm x, y thỏa \(\left(2x-y+7\right)^{2018}+\left(\left|x-3\right|\right)^{2019}\le0\)
Tìm x thuộc Z biết :
a,\(\left(2x-1\right)\left(y+4\right)=11\)
b, \(\left(x-7\right)9xy+10=9\)
Tìm số tự nhiên x , biết
\(2\cdot\left(x-1\right)^2=8\)
\(\left(2x+1\right)^3=125\)
\(\left(x-2\right)^5=243\)
\(5\left(x-4\right)^2-7=13\)
\(221-\left(3x+2\right)^3=96\)
KJ
22 tháng 2 2022 lúc 16:25
Tìm x, biết:
\(a,\dfrac{1}{3}:\left(2x-1\right)=\dfrac{-1}{6}\)
\(b,\left(3x+2\right)\left(\dfrac{-2}{5}x-7\right)=0\)
\(c,\dfrac{x}{8}=\dfrac{9}{4}\)
\(d,\dfrac{x-3}{2}=\dfrac{18}{x-3}\)
\(e,4,5x-6,2x=6,12\)
\(h,11,4-\left(x-3,4\right)=-16,2\)
\(x-14=3x+18;\)\(2.\left(x-5\right)-3\left(x-4\right)==-6+15.\left(-3\right);\)
\((x+7\left(\right).\left(x-9\right)=0\);\(|2x-5|-7=22\)