Question

x/5=5/6+-19/30

/: phần

Answer 1

\(\Leftrightarrow\dfrac{x}{5}=\dfrac{1}{5}\\ \Leftrightarrow x=\dfrac{5.1}{5}=\dfrac{5}{5}=1\)

Answer 2

x/5=5/6-19/30

x/5=25/30-19/30

x/5=1/5

x=1

Answer 3

x/5 = 5/6 + (-19/30)

<=> x/5 = 1/5

<=> x . 5 = 5

<=> x = 5 : 5

<=> x = 1

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