Các câu hỏi tương tự
|(x+1/2).|2x-3/4||=2x-3/4 tim x biet
tim x
a) / x+\(\frac{4}{15}\)/ - / -3,75 / = - / -2,15 /
b) / 4 + 2x / = - 4x
c) / x - 2 / - / 2x + 3 / = x - 1
d) / x - 2 / + / x - 3 / + / x - 4 / = 2
e) / 2x - 1 / + / 2x - 5 / = 4
tim x
/2x-3/-2/4-x/=5
/x/-/2x+3/=x-1
Tim nghiem:
a,3(1-x)-5(2x-2)
b, gia tri tuyet doi 3x-2 -4
c, 2x-x^3
d, x(1-2x)+(2x^2-x+4)
Tim x,y,z biet:2(x-1)-3(2x+2)-4(2x+3)=16
Tim xthuoc Z biet:
1,|2x-5|-|2x+9|=0
2,|x+1|-|x+2|-|3-x|=7
3,|2x+3|+|3x+2|-|4-x|=10
Tim x biet 2(|x-1|+x-4/5)=2x-2/5
|2x-1|+|2x-5|-4=-(x-1)2
tim x
tim x biet (2x-3)^2-4(x+1)^2=5