Respuesta :
Answer:
The answer is
2.4z+1.2z=0.7+6.5.
3.6z=7.2.
z=7.2/36.
z=2
Z=2
2.4z+1.2z=3.6z
3.6z-6.5=0.7
+6.5 to both sides
3.6z=7.2
Divide by 3.6
z=2
2.4z+1.2z=3.6z
3.6z-6.5=0.7
+6.5 to both sides
3.6z=7.2
Divide by 3.6
z=2