Introducing to System of Equation

Question 1

how many variables the linear equation?

Answer 1

three.

Question 2

what is the system point?

Answer 2

x,y,z, and satisfies all three equation simultaneously.

Question 3

Solving by elimination

Answer 3

Involves
Adding
Subtraction

Question 4

What are the steps to solving by elimination method.

Answer 4

1. Multiply one more variable by a constant if is necessary to make the coefficients of one variable of one variable the same.
2. Add or Subtract the equation to eliminate one variable.
3. Solve the resulting equation for the remaining variables.
4. Substitute back to find the values of the other variables.
5. Check the solution in all original equations.