Question

5x-9=5+3x

Answer 1

\(5x-9=5+3x\)

\(5x-3x=5+9\)

\(2x=14\)

\(x=\dfrac{14}{2}=7\)

Answer 2

\(5x-9=5+3x\\\Rightarrow 5x-3x=5+9\\\Rightarrow2x=14\\\Rightarrow x=14:2\\\Rightarrow x=7\\Vậy:x=7\)

Answer 3

<=>2x=14=> x=7