Các câu hỏi tương tự
cau 1.tim x
a)15-|x-4|=6
b)-30+|25-x|=-1
c)x-(12-25)=-8
d) (x-29)-(17-38)=-9
cau 2.tim so nguyen x
a,22-(-x)=12
b,(x+5)+(x-9)=x+2
c,(27-x)+(15+x)=x-24
Tim x biet
x-(-25-17-2x)=6+x
45-/-27-(-25)-x/=7+27
Tim X
3) -12 + (2x – 9) + x= 0
4) 11 + (15 - x) = 1
5) 4 - (27 - 3) = x - (13 - 4)
6) 8 - (x - 10) = 23 - (- 4 +12)
7) 105 – 5(10 – 5x) = -20
8) (x -1)(8-2x)(3x+123) = 0
9) (x2 - 25)(x+ 10) = 0
10) x(x2+5) =
tim x
a) 3^x -4 =5^7 : 5^6
b ) 3^x-1 =27
c) (x-1) ^3 = 4(x-1)
d) 5^x 5^x-2= 130
ai giup mk nhanh nhat mk se tick cho 4 lan luon
tim x : 2 . 3^x= 10 . 3^12+8 . 27^4
tim x biet 2/(x+2)+(x+4)+4/(x+4)+(x+6)+6/(x+6)+(x+14)=x/(x+2)+(x+14)
tim xez:a,x+1/37=27/x+1 b,x/5=6/x+1
Tim x
8x+ 15=6.( x-1) + 27
tim x biet
a, /x/=12
b, 3x/x/-5=10
c, 15-2/x/=4
d, 27+4/x/=26