system of three equations 3 x + y + z = 14 − x +...
system of three equations
Answer & Explanation
Add equation to equation . The result is a linear equation in and . Now add equation to equation . You get a second linear equation in and . Solve these and back-substitute.
This is a standard method for solving linear equations.
Transform system to its matricial form and then eliminate.
Here is your system in matricial form: