TÌM x BIẾTa)\(\frac{3}{7}\)x -\(\frac{2}{5}\)x=\(\frac{-17}{35}\)b)(\(\frac{3}{4}\)x - \(\frac{5}{6}\)) (\(\frac{1}{3}\)+ \(\frac{-3}{5}\): x)=0c) (x-\(\frac{1}{3}\)) (x+\(\frac{2}{5}\)) > 0d) ( (x+\(\frac{3}{5}\)) (x + 1) <...
Đọc tiếp
TÌM x BIẾT
a)\(\frac{3}{7}\)x -\(\frac{2}{5}\)x=\(\frac{-17}{35}\)
b)(\(\frac{3}{4}\)x - \(\frac{5}{6}\)) (\(\frac{1}{3}\)+ \(\frac{-3}{5}\): x)=0
c) (x-\(\frac{1}{3}\)) (x+\(\frac{2}{5}\)) > 0
d) ( (x+\(\frac{3}{5}\)) (x + 1) < 0
