Answer:
z= -15
Step-by-step explanation:
19= -2(4 + z) - 3
-2(4+z)-3=19
-2(4+z)-3+3=19+3
-2(4+z)=22
4+z=-11
4+z-4=-11-4
z=-15
Z=15
19=-2(4+z)-3
19=-8-2z-3
19=-11-2z
2/30=2z/2
z=15
