Respuesta :

Answer:

z = 10

Step-by-step explanation:

z -(-2) / 4 = 3

z + 2 / 4 = 3

z + 2 = 3 x 4

z + 2 = 12

z = 12 - 2

z = 10

Hope that helps!

wegnerkolmp2741o

Answer:

z=10

Step-by-step explanation:

(z- -2) /4 =3

Multiply each side by 4

z - -2 = 12

Subtracting a negative is like adding

z+2 =12

Subtract 2 from each side

z+2-2 =12-2

z  =10