preprekomW

2021-06-12

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.

Daphne Broadhurst

Skilled2021-06-13Added 109 answers

Substitute eq 2 ... eq 1.

On simplification

Factor

Applying zero factor properly

putting value of x in eq 2.

Solution set