-3x = 0 - 12
-3x = -12
x = -12 : (-3)
x = 4
-3x+12=0
=> -3x=0-12
=> -3x=-12
=> x=(-12) : (-3)
=> x=4
-3x + 12 = 0
- 3 x = 0 - 12 = -12
x = - 12 : ( -3 )
x = 4
-3x = 0 - 12
-3x = -12
x = -12 : (-3)
x = 4
-3x+12=0
=> -3x=0-12
=> -3x=-12
=> x=(-12) : (-3)
=> x=4
-3x + 12 = 0
- 3 x = 0 - 12 = -12
x = - 12 : ( -3 )
x = 4
(2x-1)^9-(2x-1)^11=0
(2-3x)^13=(3x-2)^12
Câu 1: |x - y| + | y + 9/25| = 0 (*)
Câu 2: | 3x - 2 | - | 2 - 3x| = 0 (*)
Câu 3: | x - 12| = | 12 - x | +1 (*)
Câu 4: | 1/2 - 1/3 + x | = - 1/4 - | y| (*)
Câu 5: | x - 2 | < 3 (*)
a, |x-1\2|+2x=6
b, 3x+|2\3-x|+2=0
c, 7x+6+|3x-18|=x-1
d,4x-|8-4x|-6=0
e,12-|3x-4|=8-2x
Tìm x:
3x2+13x+12=0
Tim so thuc X,biet:
(3x-5/12)^2-121/64=0
tìm số thực x bt
(3x-5/12)^2-121/64=0
Cho hàm số: f ( x ) = x 2 + 3 x + 2
a) Tính f(-1); f (0); f − 1 2
1, 3/x-7/-12/4x+8/=3x-8
2, -5/x-7/+3/3-x/=12x-8
3, /x-7/ -/3x-5/=0
tinh so huu ti x
2/3x-3/12=4/5-(7/x-2)
2x-3/3+-3/2=5-3x/6-1/3
tim x
(x-1).(x-2)>0
2x-3<0
(2x-4).(9-3x)<0
moi nguoi giup minh nhe cam on nhieu