Tuyển Cộng tác viên Hoc24 nhiệm kì 26 tại đây: https://forms.gle/dK3zGK3LHFrgvTkJ6
\(\frac{x+1}{1974}+\frac{x+2}{1973}+\frac{x+3}{1972}=3\)
x+1/1974+1+x+2/1973+1+x+3/1972=0
x+1+1974/1974+x+2+1973/1973+x+3+1972/1972=0
x+1975/1974+x+1975/1973+x+1975/1972=0
(x+1975)(1/1974+1/1973+1/1972)=0
=>x+1975=0 vì 1/1974+1/1973+1/1972 Khác 0
=>x=-1975
Tìm x, biết\(\frac{x+1}{1974}+\frac{x+2}{1973}+\frac{x+3}{1972}=-3\)
Tìm x:
\(\frac{x+1}{1974}+\frac{x+2}{1973}+\frac{x+3}{1972}=-3\)
\(\frac{x+1}{1974}+\frac{x+2}{1973}+\frac{x+3}{1972}=-3\)
\(\frac{x+5}{2005}+\frac{x+6}{2004}+\frac{x+7}{2003}=-3\)
TÌM X
B1: Tìm x
a,\(\frac{2}{7}x\)-\(\frac{1}{3}x\) =\(\frac{5}{21}\)
b, \(\frac{x+1}{1974}\)+ \(\frac{x+2}{1973}\)+ \(\frac{x+3}{1972}\)= (-3)
B2: Tính
\(\frac{-9}{7}\)- \(\frac{5}{13}\)\(\frac{-39}{25}\)+ \(\frac{-1}{42}\)x \(\frac{-5}{6}\)
Mọi người giúp mình với ạ. Mình cảm ơn trước nhé ^_^
tim x biết (x+1) /1974 + (x+2) / 1973 + (x+3) / 1972=-3
Tìm x biết
\(\frac{45-x}{1969}+\frac{40-x}{1974}+\frac{35-x}{1979}+\frac{30-x}{1984}+4=0\)
Tim x biet: x+1/1974+x+2/1973+x+3/1972=-3
tìm x biết:
\(\frac{x-1}{99}-\frac{x+1}{101}+\frac{x-2}{98}-\frac{x+2}{102}+\frac{x-3}{97}-\frac{x+3}{103}+\frac{x-4}{96}-\frac{x+4}{104}=0\)
Tìm x biết:
1) \(\frac{x+1}{2}+\frac{x+1}{3}+\frac{x+1}{4}=\frac{x+1}{5}+\frac{x+1}{6}\)
2) \(\frac{x+1}{2009}+\frac{x+2}{2008}+\frac{x+3}{2007}=\frac{x+10}{2000}+\frac{x+11}{1999}+\frac{x+12}{1998}\)