\(3^2.x+2^3-4,5+3\frac{1}{2}x=16x+2^3-4,5-15x+6,2.\)
\(\Leftrightarrow9x+8-4,5+\frac{7}{2}x=16x+8-4,5-15x+6,2\)
\(\Leftrightarrow9x+\frac{7}{2}x-16x+15x=8-4,5+6,2-8+4,5\)
\(\Leftrightarrow11,5x=6,2\)
\(\Leftrightarrow x=\frac{62}{115}\)
\(3^2.x+2^3-4,5+3\frac{1}{2}x=16x+2^3-4,5-15x+6,2\)
ban nao tra loi minh tick cho nhanh len nhe
\(1,5+1\frac{1}{4}\times x=\frac{2}{3}\)
Tìm x:\(\left(2,7.x-1\frac{1}{2}.x\right)\div\frac{2}{7}=\frac{-21}{4}\)
\(3\frac{1}{3}\times x+16\frac{3}{4}=-13,25\)
\(\left(4,5-2\times x\right)\div\frac{3}{4}=1\frac{1}{3}\)
\(\left(4,5-2x\right).\left(-3\frac{2}{3}\right)=\frac{11}{15}\)
\(\backslash34-x\backslash=\left(-3\right)^4\)
\(\left(4x^2-1\right)\left(\backslash x\backslash-\frac{2}{3}\right)=0\)
\(\frac{3}{5}x-\frac{1}{2}x=\frac{-7}{2}\)
\(\left(x+\frac{3}{5}\right)^2+1\frac{16}{25}=9\%:4,5\text{%}\)
(4,5+2.x):3/4=-1 1/3
Tìm x:
a, -1/3. (15x-9)+ 2/7. (-x-34)= 1- 3/4. (-16x+4)
b, -1/3. (x-5)+ 1/2. (2x-1/3) = -4.(x+1/2) -7
c, 3.(-2x+7) -6. (1/2x) =1.(x-3)
Tìm x biết
\(a,\left[20\%x+\frac{2}{5}x-2\right]\div\frac{1}{3}=2013\)
\(b,\left[4,5-2\left|x\right|\right]\times1\frac{4}{7}=\frac{11}{14}\)
tìm x
a, x + \(\frac{1}{6}\)=\(\frac{-3}{8}\)
b,\(\frac{1}{2}\)x + 1/8x =3/4
c, 2-|3/4-x|=7/12
d,(2x-4,5) :3/4-1/3=1
(ai giai nhanh nhat va dung mk se tk cho)
Bài 3: (3 đ) Tìm x, biết:
a)2x+\(\frac{1}{4}\)=\(\frac{3}{2}\)
b)(x-5)-\(\frac{1}{3}\)=\(\frac{2}{5}\)
c)(4,5-2x):\(\frac{3}{4}\)=1\(\frac{1}{3}\)
