Ap dung t/c day ti so bang nhau
ta co x+1/9=x+2/8=x+3/7=x+4/6=x+1-x-2-x-3+x+4 tat ca phan 9-8-7+6 =0
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
tìm x
a, x+(-7)=-20
b, 8-x=-12
c, /x/-7=-6
g, 5./x+9/=40
d, 5^2.2^2-7./x/=65
e,37-3/x/=(2^3-4)
f, /x/+/-5/=/-37/
h,\(\frac{-5}{6}+\frac{8}{3}+\frac{-29}{6}\frac{< }{_{ }-_{ }}x\frac{< }{-}\frac{-1}{2}+2+\frac{5}{2}\)
bài 15 tìm x biết
a\(\frac{x}{4}-\frac{3}{7}+\frac{2}{5}=\frac{31}{140}\)
b\(\frac{5}{12}+\frac{5}{x}-\frac{1}{8}=\frac{1}{2}\)
c\(x+\frac{1}{9}-\frac{3}{5}=\frac{3}{6}\)
d\(\frac{3}{4}-x+\frac{6}{-11}=\frac{5}{6}\)
e\(x-\frac{1}{9}-\frac{3}{5}=\frac{3}{6}\)
\(\frac{1}{2}\left(x+1\right):\frac{3}{7}-\frac{2}{5}=\frac{4}{9};\frac{8}{15}\)Tim x
Tim x biet
c) \(x-3\frac{1}{2}x=-2\frac{6}{7}\)
d) \(-2\frac{1}{3}x-1\frac{3}{4}x+3\frac{2}{3}=3\frac{3}{5}\)
Tim x biet
c) \(\frac{7}{9}:\left(2+\frac{3}{4}x\right)+\frac{5}{9}=\frac{23}{27}\)
d) \(|x-\frac{1}{3}|-\frac{3}{4}=\frac{5}{3}\)
tim x
a)\(-\frac{3}{4}x+\frac{1}{6}x=1-2\frac{5}{9}\)
b)\(\left|2x-\frac{3}{8}\right|+2\frac{3}{4}=3\frac{1}{16}\)
giup mik vs
\(\frac{5}{8}-\frac{x}{3}=\frac{-1}{8}\)
\(\frac{7}{9}-\frac{4}{x}=\frac{5}{18}\)Tim x .
Tìm số nguyên x
a) \(\frac{1}{3}+\frac{-2}{5}+\frac{1}{6}+\frac{-1}{5}\le x< \frac{-3}{4}+\frac{2}{7}+\frac{-1}{4}+\frac{3}{5}+\frac{5}{7}\)
b)\(\frac{5}{17}+\frac{-9}{4}+\frac{-26}{31}+\frac{12}{17}+\frac{-11}{31}< \frac{x}{9}\le\frac{-3}{7}+\frac{7}{15}+\frac{4}{-7}+\frac{8}{15}\)
tìm x biết
1, \(x-\frac{3}{5}=\frac{3}{35}-\frac{-7}{6}\)
2, \(\frac{x}{120}=\frac{3}{8}\cdot\frac{-4}{25}\)
3, \(\frac{11}{13}\cdot x=1\)
4, \(-\frac{9}{8}+\frac{-3}{8}\cdot x=\frac{-1}{8}\)
5, \(\frac{-2}{5}\cdot x+\frac{4}{3}=\frac{7}{3}\)