Question

Z-3=2Z-5 trial and error method​

Answer 1

Answer:

value for z is 2

Step-by-step explanation:

2-3=(2×2)-5

-1=-1

Answer 2

Answer:

z−3=2z−5

At z=0, LHS=0−3=−3, RHS=0−5=−5

LHS



=RHS

At z=1, LHS=1−3=−2, RHS=2(1)−5=−3

LHS



=RHS

At z=2, LHS=2−3=−1, RHS=2(2)−5=−1

LHS=RHS

∴z=2 is the root

Step-by-step explanation: