Respuesta :
Use distributive property first
14x+14+9-54x
Combine like-terms
-40x+23
14x+14+9-54x
Combine like-terms
-40x+23
7(2x+2)-9(-1+6x)=0
14x+14+9-54x=0
14x-54x+14+9=0
-40x+23=0
-40x= -23
x = -23÷40
x= -0.575
please mark this answer as brainlist