Respuesta :

Answer:5

Step-by-step explanation:

x is -1 from what I see, so 2 times x, or -2, added to 7 is 5

Answer:

-1 and 5

Step-by-step explanation:

x is equal-1

A) 4x+12=8

4x=8-12

4x-4=-1

B) 2x+7

2(-1)+7

=-2+7

=5