Question

Решите уравнение:(2/5х-2 2/3)*15=2

Answer 1

$(frac{2}{5}x-2frac{2}{3})*15=2\(frac{2x}{5}-frac{8}{3})* frac{15}{1}=2\frac{2x*15}{5*1}-frac{8*15}{3*1}=2$
6x-40=2
6x=40+2
6x=42
x=42:6
x=7