Các câu hỏi tương tự
C(x)=-2x(2x-3)-2(x-1)
Q(x)=2(x-3)-(x-1)
Tim nghiem
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 2x+1/x-2=2x-3/x+6
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
/2x-3/-2/4-x/=5
/x/-/2x+3/=x-1
Tim x,y,z biet:2(x-1)-3(2x+2)-4(2x+3)=16
|(x+1/2).|2x-3/4||=2x-3/4 tim x biet
1) Tim x
a) |x-2|-|2x+3|-x=2
b) |x-7|+2x+5=6
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