Answer:z=(pd+59)/(2-p)
Step-by-step explanation:
-p(d+z)=-2z+59
Open bracket
-pd-pz=-2z+59
Collect like terms
2z-pz=pd+59
Factor out z
z(2-p)=pd+59
Divide both sides by (2-p)
z(2-p)/(2-p)=(pd+59)/(2-p)
z=(pd+59)/(2-p)
