Respuesta :

Answer:

1. x= -7               2.  x= -1

Explanation:

1. −3−5=16

−3−5(+5)=16(+5)

-3x=21

-3x divided by -3= 21 divided by -3

x=-7

2.−4(−2)=12 

−4+8=12

−4+8(−8)=12(−8)

−4=4

x= -1