Question

How to solve system of equations with 3 variables?

Answer 1

Any number of variables can be solved by making the same number of equation as the number of variables are.
To solve system of equations with 3 variables we have to generate 3 equations.
Then try to solve any 2 equation , which will the value of 1 variable . Then put that value in other any 2 equations .
By following these rules , you can easily find the all the 3 values of variables.