Respuesta :
(10x-20)= (6x+8) subtract 6 from each side
(4x-20)=(+8) add 20 to each side
(4x)=(28) divide both sides by 4
x= 7
(4x-20)=(+8) add 20 to each side
(4x)=(28) divide both sides by 4
x= 7