Question

27:а=5+4 помогите с ответом

Answer 1

$27 \div a = 5 + 4 \\ 27 \div a = 9 \\ a = 9 \div 27 \\ a = \frac{9}{27} \\ a = \frac{1}{3}$

Answer 2

27 : а = 5 + 4
27 : а = 9
а = 27 : 9
а = 3
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27 : 3 = 5 + 4
9=9