Question

21/124+а=7/93 помогите

Answer 1

Ответ:

$\displaystyle \frac{21}{124} +a=\frac{7}{93}$

$a=\dfrac{7}{93} -\dfrac{21}{124}$

$a=\dfrac{28}{372} -\dfrac{63}{372}$

$a=-\dfrac{35}{372}$