Ta có : 148 : (x + 2) = 378
=> x + 2 = 148 : 378
=> x + 2 = 74/189
=> x = 74/189 - 2
=> x= -304/189
a) x+2=148:378
x+2=74/189
x=-304/189
b)5.(x+8)=210
x+8=42
x=34
c)51+(26-3x)=275
26-3x=224
3x=-198
x=-66
tìm x là số nghuyên
a) -8.x-1=55
b)2x-18=10
c)3x+26=5
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
bai 1:tim x
a) (x+1/5)2+17/25=26/25
b)-1va 5/27-(3x-7/9)3=-24/27
bai 2:cho A=n+2/n-5 (n thuoc Z ;n khac 5).Tim x de A thuoc Z
Tìm x
a)131.x-941=32
b)88-(7+x).3=64
c)51+(26-3x):5=55
tim x biet
a, /x/=12
b, 3x/x/-5=10
c, 15-2/x/=4
d, 27+4/x/=26
BAI1 TIM X
a; 1/3 - 1/2 : x = 26/63
b; 6 - 1/3x = 6/8
tim x số nguyên bt
a. (-12).x=(15).(-4)-12
b.(-5).x+5=(-3).(-8)+6
c.2.(5+3x)+x=31
d.(3x-7)+2.(5-2x)+5x=19
bài 1:tìm x , biết
a,55-4x-4(-x+3)=6-2(-8-3x)
b,-5(-2x-6)-9(4-7x)=51-3x+6(x-9)
c,93+/6-3x/-39=231
(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