Respuesta :
Answer
5.25
Step-by-step explanation:
hint: anytime you see a - before ( and its not like (for example) -2 then you put a 1 like this -1(
2-1(4x+8)= -12
2-4x+7= -12
(combine like terms [2 and 7 in this case] )
9-4x= -12
(subtract 9)
-4x = -21
(divide by -4)
x=5.25
Hope this helps!