Tim x biết:(-35-67).(3x +27)=0
-280179.(3x+27)=0
3x+27=0
3x=27
x=9
Vậy x=9
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
Tim x biet
c) (x - 2)(x + 3)>0
d) \(-1\frac{5}{27}-\left(3x-\frac{7}{9}\right)^3=-\frac{24}{27}\)
tim so nghuyen x biet:
a, 12+(2x-11)=53
b, 21-(-6+3x)=9
c, -(2x+4)+11=-27
d, 33-(33-x)=0
tim so tu nhien x biet: (x - 35) - 120 = 0
tim x biet 2/3x-(70+10/11):(13/15+13/35+13/63+13/99)=-5
tim x biet (2x-2)*(3x+6)=0
tim x, y biet /x+2y+6/+/3x-y+5/=0
tim x,biet
a,-x.[ x+3 ]=0
b, [ x-2 ]. [ 3x-9 ]=0
mn giup minh voi
tim so tu nhien x biet
a, 0.(5-x)=0
b,1+35+.......+x = 3200 ( x la so le )
c, (x+1)+(x+2)+(x+3)+....+(x+100)
d 2x+3x=1505
cam on mn nhieu
Tim x thuoc N biet:
a, (225-x) -81=54
b, 7.(x-14)+35= 25+279:9
c, 7x : 49= 727