Question

Does solving a system of linear equations by graphing give the same solution as solving by substitution?Explain your reasoning.

Answer 1

yes

Explanation:

Graphing, substitution, matrix methods, Cramer's rule, guess and check are all methods that can give a solution to a system of linear equations. That solution will be the same regardless of the method used.

Any solution method that solves the system will arrive at the same solution.