2x-(-5) = 26+ x -7
Tìm x thuộc Z
a, ( x - 12 ) - ( 2x + 31 ) = - 6 - 5
b, - 2 ( x + 7 ) + 3 ( x - 2 ) = - 2
c, - 7 - 2x = - 37 - ( - 26 )
d, ( 3x + 9 ) ( 11 - x ) = 0
tìm x biết:
(3x-1) [- 1/2x+5]=0
1/4+1/3:(2x-1)=-5
[2x+3/5]2 - 9/25=0
-5(x+1/5)-1/2(x-2/3)=3/2x - 5 /6
[x+1/2]x [2/3-2x]=0
17/2-|2x-3/4|=-7/4
2/3x-1/2x =5/12
(x+1/5)2+17/25=26/25
[x.44/7+3/7].11/5-3/7=-2
3[3x-1/2]+1/9=0
(19-51)-(x-23)=-6
b-5x-10(-7)=55
c,-7-2x=-37-(-26)
d,|2x-1|=|-5|
e,2-|x+5|=7
h,(x+8)2=25
f,(x+3)3:3-1=-10
tim so nguyen x biet
a,9-25=[7-x]-[25+7]
b,-26-[x-7]=0
c,30+[32-x]=10
d,2.x-18=10
e,3.x+26=5
f,/x/-5=-12+30
g,[/x/+1].[4-2x]=0
h,8+/x/=/-8/+11
i,4.[x+1]-[3x+1]=14
Tìm X
a, 17/2 - |2x - 3/4| = -7/4
b, (x + 1/5)² + 17/25= 26/25
c, -1 5/27 - (3x -7/9)³ = -24/27
Phần c là -1 và 5/27 nhé (hỗn số)
Bài 4 c 5*(x+1)-2x=5
D (13x-26*)(5+x)=0
E 12*x-34+3x=11
G 4 phần x-1=2 phần 3 với điều kiện x khác 7
Bài 5 a 3*125*121*8
B 21*52+58*26
C 98*132+264
Tìm x
a)17/2 - |2x-3/4|= -7/4
b)(x+1/5)^2+17/25=26/25
7+2x= - 37 - ( - 26 ) - x