Ta đổi ngược phép tính lại cho dễ làm
3x+3=1+2+3-4-5+6
3x+3=3
3x =3-3
3x =0
x= 0:3
x=0
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Các câu hỏi tương tự
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
Tim x,y,z biet (x-1)/2= (y+3)/4 =(z-5)/6 va 5z-3x-4y
tim x trong cac ti le thuc sau:
a, ..
-0,75/x=-1/1/2/-4/5 b, -1/3x+1/2/-5/4=-2/2/5/0,35 c, 2x-4/3=6/x-1 d, 2x-1/x+3
Tim x biet: (3/4x+5)-(2/3x-4)-(1/6x+1)=(1/3+4)-(1/3x-3)
Tim x biet:
(3/4x + 5) - (2/3x - 4) - (1/6x + 1) = (1/3x + 4) - (1/3x - 3)
bai tim x
cau a |x-1/2 |=4
caub |x+3/4|-1/2=1
cau c 1/2+|x-4/3|=2
cau d |3x-1|+2=1
cau e |5/6+x|=3
moi nguoi hay chieu co giup em vs:
c,3(2x-1)-5(x-3)+6(3x-4)=24
d,2x(5-3x)+2x(3x-5)-3(x-7)=3
xin dc cam on trc ah! Day la bai tim x ah!
tim x , biet :
1 ) 2017 - \ x - 2017 \ = x
2) -1/2 . ( 3x - 1 ) + 3/4 . ( 3-2x) = -3 . ( x/2 - 1 ) - ( 4/5) mu -1
tim x
a. /x/ = -2,1
b. /5-3x/ + 2/3=1/6