Answer:
i = 
Step-by-step explanation:
=−3+4i
4i−3=z
4i−3+3=z+3
4i=z+3
= 
9514 1404 393
Answer:
x = (ab +a +b +c)/(a +b)
Step-by-step explanation:
Eliminate parentheses, subtract left terms not containing x, divide by the coefficient of x.

Answer: 36
Step-by-step explanation: