\(\frac{-1}{6}-x=\frac{5}{12}+\frac{-2}{3}\)
\(=>\frac{-1}{6}-x=\frac{5}{12}+\frac{-8}{12}\)
\(=>\frac{-1}{6}-x=\frac{-3}{12}\)
\(=>x=\frac{-1}{6}-\frac{-1}{4}\)
\(=>x=\frac{-1}{6}+\frac{1}{4}\)
\(=>x=\frac{-2}{12}+\frac{3}{12}\)
\(=>x=\frac{1}{12}\)
Tim x
(-15/12)+x+(3/7)=(6/5).x-(1/2)
1)a)2x-13=25+6x
b)12-x=3x+6
c)40-(25-2x)=x
d)|x-3|=5
e)|x-3|+(x+2)+(x+1)=12
2)tính
a)(-1).(-2).(-3).(-4).(-5).[(-3)-(-5)]
b)1-2+3-4+5-6+...-98+99
3)tim x
a)(x-1).(y-2)=5
b)x.(y-3)=12
1 )Tim x, y thuoc Z
x + y = x.y
2) Tim x thuoc Z
(x + 1)+(x+3)+(x+5)+...+(x+99)=0(x-3)+(x-2)+(x-1)+...+10+11=11-12(x-5)+7(3-x)=530(x+2)-6(x-5)-24x=100tim x
a)0,25x - 2/3x = -1 1/6
b)3/4 + 1/4.x +x - 7/6 .x = 5/12
1) Tim x biet :
a) - 12 (x - 5) + 7 . (3 - x) = 5
b) 30 . (x + 2) - 6 . (x - 5) - 24x = 100
Tim x:
a) 6 x X - 5 = 613 b) 12 x X + 3 x X = 30
C) 125 - 25 x (X - 1) = 100 d) ( X - 2 ) x 9 X - 4) = 0
2)tính
a)(-1).(-2).(-3).(-4).(-5).[(-3)-(-5)]
b)1-2+3-4+5-6+...-98+99
3)tim x
a)(x-1).(y-2)=5
b)x.(y-3)=12
ai nhanh mình tick
1, tim x
5+x-3=5-(x+4)
x-(5|-7|+3)=|-8|+6-2
|x-3|+7
12-3|x-1|=6
cac ban giup minh nhe nho cac buoc tinh ro rang nha minh se like cho
tim x biet
(-25)-(5.x-3)=4
5.x-6=20-(12-6)
-2.x-40=(5-x)-(-15+60)