Question: When solving a system of two linear equations using the substitution method, what is the best first step to take? Add a multiple of one

When solving a system of two linear equations using the substitution method, what is the best first step to take? Add a multiple of one line to the other line, in the hopes of reducing down to a single variable. Solve one of equations for one single variable. Graph each line on the same graph. O Plug the equation that's been solved for a single variable into the other equation

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