Substitution and elimination, and matrix methods such as the Gauss-Jordan method and Cramer's rule. Use each method at least once when solving the systems below. include solutions with nonreal complex number components. For systems with infinitely many solutions, write the solution set using an arbitrary variable.
Skilled2021-05-19Added 118 answers
Putting value of
Combininb like terms
(Dividing each side by -5)
Putting value of y in