Question

решите уравнение
a-13/8a=1/3

Answer 1

$frac{a-13}{8a} = frac{1}{3} ; a neq 0; \ 3(a-13)=8a; \ 3a-39=8a; \ 5a=-39; \ a=-7 frac{4}{5}$

Answer 2

3(а-13)=8а
3а-39=8а
3а-8а=39
-5а=39
а=39÷(-5)
а=-39/5=-7 4/5=-7.8