Question

maths
$4y \ + \frac{y}{5} = 21$
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Answer 1

Step-by-step explanation:

$4y + \frac{y}{5} = 21 \\ \frac{20y + y}{5} = 21 \: \\ 21y = 21 \times 5 \\ y = \frac{21 \times 5}{21} \\ y = 5$

may be it's helpful to you ✴️

Answer 2

Answer:

=> 4y+y/5=21

=>20y+y/5=21

=>21y/5=21

=>21y=21*5=110

=>21y=110

=>y=5

hope this helps.......