Question

как решить уравнения (y+4 1/5)÷7=16​

Answer 1

Ответ:

$(y + \frac{21}{5}) \div 7 = 16$

$(y + \frac{21}{5}) \times \frac{1}{7} = 16$

$\frac{5y + 21}{5} \times \frac{1}{7} = 16$

$\frac{5y + 21}{35} = 16$

$5y + 21 = 560$

$5y = 560 - 21$

$5y = 539$

$y = \frac{539}{5}$