\(x-\dfrac{2}{3}=\dfrac{1}{6}\\ x=\dfrac{1}{6}+\dfrac{2}{3}\\ x=\dfrac{5}{6}\)
\(x-\dfrac{2}{3}=\dfrac{1}{6}\)
\(\Rightarrow x=\dfrac{1}{6}+\dfrac{2}{3}\)
\(\Rightarrow x=\dfrac{1+4}{6}=\dfrac{5}{6}\)
Tìm x
2.(x-5)-3(x+6)+=4(x-7)3(x-1)-2(x+5)=2(x-3)5(1-x)-6(1+x)=7(3-x)2x+5-3(3x+7)=6(1-x)+8x-2+3(x-4)=5(x-6)+7x+2+3(1-x)-5(2-x)=6(1-x)+(3-x)Bài 1: Tìm x :A) 3/4.(x-2) - 1/2.(6-2.x)= 1/6.x + 5
B) -1/2.(3.x + 5) - 2/3.(9-6.x) = 3/5.(x-10) - 3
C) (1/4.x - 1,5) + (5/6.x - 3) - (5/8.x -0,5) = -4,5
a,x - 1/2 - (-1/6)
b,x + 5/6 = 3/8
c,2/3 . x -1/2 = 5/6
d, x/7 = 6/-21
e,(7/3 x -0,6) : 3^2/5 = 1
f,x/45 = 5/6 + -29/30
g,(4,5 - 2x) . (-1^4/7) =11/14
h,-2/7 + 4/7x=5/7
1 Tìm x:
a) 5.(1-x)-6.(1+x)=7.(3-x)
b) 2.(x+5)-3.(3x+7)=6.(1-x)+8x
c) x-2+3.(x-4)=5.(x-6)+7
d) x+2+3.(1-x)-5.(2-x)=6.(1-x)+7.(3x)
A= ( 6 : 3/5 - 1 1/6 x 6/7 ) : ( 4 1/5 x 10/11 + 5 2/11 )
B= ( 1 - 1/2 ) x ( 1- 1/4 ) x ... x ( 1 - 1/2003 ) x ( 1 - 1/2004 )
C= 5 9/10 : 3/2 - ( 2 1/3 x 4 1/2 - 2 x 2 1/3 ) : 7/4
a, x+7=2 và 1/3 - (2x-2/3)
b,-7/6-x=1/6+5/6. x
c,x-30%x=-1 và 1/5
d, 4/3-(0,5+2/3x)=1/6
a, [ 2 và 1/3 + 3 và 1/2] .x= -4 và 1/-6 + 3vaf 1/7
b, x:( 3 và 1/2 - 5 và 1/6) -x =1 và 1/5 + 6 và 2/3
1) x +1/2 =5/3. 2) 3/5 - x =1/3. 3) 3/4 + x =7/2
4) x - 4/3 =7/9. 5)x - 5/6 = 7/3. 6)x- 1/5 =9/10
x/2-2/3=1/6
x:5/9=-1/3
x:3(-6)=6/17
