\(\frac{x}{27}-\frac{2}{9}=\frac{6}{18}\)
\(=>\frac{2x}{2.27}-\frac{2.6}{9.6}=\frac{6.3}{6.18}\)
\(=>\frac{2x}{54}-\frac{12}{54}=\frac{18}{54}\)
Rồi ta khử mẫu nha
\(=>2x-12=18\)
\(=>2x=18+12\)
\(=>2x=30\)
\(=>x=15\)
Mik làm nhanh nhất nha
T mik thì nói nha
\(\frac{x}{27}-\frac{2}{9}=\frac{6}{18}\)
\(\frac{x}{27}=\frac{6}{18}+\frac{2}{9}\)
\(\frac{x}{27}=\frac{6}{18}+\frac{4}{18}\)
\(\frac{x}{27}=\frac{10}{18}\)
\(\frac{x}{27}=\frac{5}{9}\)
\(\Rightarrow x\div27=\frac{5}{9}\)
\(\Rightarrow x=\frac{5}{9}\times27\)
\(\Rightarrow x=15\)
\(\frac{x}{27}-\frac{2}{9}=\frac{6}{18}\)
\(\frac{x}{27}=\frac{6}{18}+\frac{2}{9}\)
\(\frac{x}{27}=\frac{5}{9}\)
\(x=\frac{5}{9}.27\)
\(x=15\)
\(\frac{x}{27}-\frac{2}{9}=\frac{6}{18}\)
\(\frac{x}{27}=\frac{6}{18}+\frac{2}{9}\)
\(\frac{x}{27}=\frac{6}{18}+\frac{4}{18}\)
\(\frac{x}{27}=\frac{5}{9}\)
\(x=\frac{5.27}{9}\)
\(x=15\)
x/27 - 2/9 = 6/18
x/27 = 6/18 + 2/9
x/27 = 6/18 + 4/18
x/27 = 10/18
x/27 = 5/9
x : 27 = 5/9
x = 5/9 x 27
x = 15
\(\frac{x}{27}-\frac{2}{9}=\frac{6}{18}\)
\(\frac{x}{27}-\frac{6}{27}=\frac{6}{18}\)
\(\frac{x-6}{27}=\frac{6}{18}\)
\(x-6=\frac{6}{18}\cdot27\)
\(x-6=9\)
x=15
x/27-2/9=6/18
x/27-6/27=9/27
(x-6)/27=9/27
x-6=9
x=15
x/27 - 2/9 = 6/18
x/27 = 6/18 + 2/9
x/27 = 6/18 + 4/18
x/27 = 10/18
x/27 = 5/9
x : 27 = 5/9
x = 5/9 x 27
x = 15
