`3/5-1/3x=1/3x+1`
`=>3/5-1/3x-1/3x-1=0`
`=>3/5-1-2/3x=0`
`=>-2/5-2/3x=0`
`=>2/3x=-2/5`
`=>x=-3/5`
Vậy `x=-3/5`
Đúng 2
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Các câu hỏi tương tự
1) Tìm x,biết :
a) 3/2 . |x-5/3| - 4/5 = 4/3 . |x-5/3| + 1
b) 2.|3x +1| = 1/3 . |3x + 1| +5
c) 1/4 - 5/2 . | 3x - 1/5| = 2/3. |3x - 1/5| - 2/3
Bài 2 Tìm x biết 1, (2x-2).(3x+1)-(3x-2).(2x-3)=5 2,(1-3x).(3x-5)-(2x-4)(2-3x)=x-6 3,(2x-1).(4x^2+2x+1)-(2x+1)(4x^2-2x+1)=5x+6 Giúp tớ với
(3/4x+5)+(2/3x-4)-(1/6x+1)=(1/3x+4)-(1/3x-3)
tìm x
(3/4x+5)-(2/3x-4)-(1/6x+1)=(1/3x+1)-(1/3x-3)
1/4 - 5/2 . | 3x - 1/5 | = 2/3 . | 3x - 1/5 | - 2/3
Tim x biet:
(3/4x + 5) - (2/3x - 4) - (1/6x + 1) = (1/3x + 4) - (1/3x - 3)
Tính :
a) 1/4 - 5/2 . | 3x - 1/5 | = 2/3 . | 3x - 1/5 | - 2/3
b) 71/2 - 5/3 . | x - 1/4 |= 61/2 - 1/3 . | x - 1/4 |
c) 2 . | 3x + 1 | = 1/3 . | 3x + 1 | + 5
Tìm nghiệm : a) (2x-3).(2x+3) B)(x-4).(x-1).(x-2) C)2x(3x-1)-3x(5+2x) D)(3x-2).(3x+2)-4.(x-1)
*Dạng 2: Đa thức BT1: Thực hiện phép tính a) 3x(x^2-5x+7) b) (x+4)(-x^2+6x+5) c) (3x-1)(3x+5)-7(x^2+2) d) (-5x^5 + 2x^4 - 1/3x^3): (-1/2x^3)
2×|3x+1|=1/3×|3x+1|+5