Everything should be done in c++ please

Write a single line of code that does the same thing as the following:

int xCoord = 2;

int yCoord = -4;

int zCoord = 6;

Convert the following equation to a C++ assignment statement:

= 3 + 4 3.

What is the mathematical value of the following C++ expression: (6 + 17) % 2 - 1