Question

Tìm x

x/3+3/5=4/15

Answer 1

x/3+3/5=4/15

5x/15+9/15=4/15

5x/15=4/15-9/15

5x/15=-5/15

5x=-5

 x=(-5):5

 x=-1

 

 

Answer 2

\(\frac{x}{3}=\frac{4}{15}-\frac{3}{5}\\ \frac{x}{3}=\frac{4}{15}-\frac{9}{15}\\ \frac{x}{3}=-\frac{5}{15}\\ \frac{x}{3}=\frac{1}{3}\)

->x=1