Question: When solving a system of two linear equations using the substitution method, what is the best first step to take? O Graph each line on

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

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