Question

Tìm x biết: 2(5x-8)-3(4x-5)=4(3x-4)+11

Answer 1

2(5x - 8) - 3(4x - 5) = 4(3x - 4) + 11

<=> 10x - 16 - 12x + 15 = 12x - 16 + 11

<=> 10x - 12x - 12x = -16 + 11 - 15 + 16

<=> - 14x =-4

<=> x = 4/14 = 2/7

Vậy x = 2/7