Respuesta :

-x+11=-2.3+x

add x to each side

+x-x+11=-2.3+x+x

11 = -2.3 + 2x

add 2.3 to each side

11+2.3 = 2.3-2.3 + 2x

13.3 = 2x

divide by 2 on each side

13.3/2 = 2x/2

x= 6.65