Question

\(\frac{x-2}{28}=\frac{2-x}{4}\). tìm x

Answer 1

<=> ( x - 2 ) 4 = 28 ( 2 - x )

<=> 4x - 8 = 56 - 28x

<=> 4x + 28x = 56 + 8

<=> 32x = 64

<=> x = 2

Answer 2

=> (  x - 2 ) . 4 = ( 2 -x ) .28

=> 4x - 8     = 56 - 28x 

=> 4x  + 28x  = 56 + 8

=> 32x          = 64

=> x               = 2 

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