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Hồ Thu Giang 19/03/2017 at 09:46(x + 2) : 2 = (5x - 8) : 4
=> \(\dfrac{x+2}{2}=\dfrac{5x-8}{4}\)
<=> 4(x + 2) = 2(5x - 8)
<=> 4x + 8 = 10x - 16
=> 24 = 6x
=> x = 4
Jeff Bezos selected this answer. -
FA KAKALOTS 03/02/2018 at 12:41(x + 2) : 2 = (5x - 8) : 4
=> x+22=5x−84
<=> 4(x + 2) = 2(5x - 8)
<=> 4x + 8 = 10x - 16
=> 24 = 6x
=> x = 4