Giai bat phuong trinh \(x+\frac{x-1}{a}< \frac{x+1}{a}-\left(a-2\right)x\), voi a la so da biet.
Giai Bat Phuong Trinh
\(\frac{x+2}{x-3}\)> 1
giai bat phuong trinh
a) \(5+\frac{x+4}{5}< x-\frac{x-2}{2}+\frac{x+3}{3}\)
b) \(x+1-\frac{x-1}{3}< \frac{2x+3}{2}+\frac{x}{3}+5\)
Giai bat phuong trinh sau
\(\frac{2x+1}{x-3}\)>1
giai bat phuong trinh
c) \(\frac{(3x-2)^2}{3}-\frac{\left(2x+1\right)^2}{3}\le x\left(x+1\right)\)
d) \(\frac{2x-3}{4}-\frac{x+1}{3}\ge\frac{1}{2}-\frac{3-x}{5}\)
giai phuong trinh
1, -3x \(\ge\)\(\frac{1}{5}\)
giai bat phuong trinh
a,\(|2-x|+5=0\)
b, \(|3-2x|+x=0\)
c,\(2x-|x+4|=7\)
a, cho a<b c/minh 2a-3<2b-3
b, tim x sao cho gia tri cua bieu thuc
c, giai bat phuong trinh \(\frac{4x-5}{3}\)>\(\frac{7-x}{5}\)
giai phuong trinh
\(\frac{1}{x-1}-\)\(\frac{1}{x-2}-\frac{1}{x-3}+\frac{1}{x-4}=0\)
cho phuong trinh an x: \(\frac{x+a}{x+2}+\frac{x-2}{x-a}=2\)
a) giai phuong trinh vs a=4
b)Tim cac gtri cua a sao cho phuong trinh nhan x=-1 lam nghiem