Mathematics, 09.03.2021 19:30 kaykay9243
When using the substitution method for solving a system of linear equations in three
variables, what should be the first step?
Add any two equations together to create one equation,
Solve one equation for one of its variables.
Start by guessing at values for the variables.
Graph the three equations.
Answers: 2
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When using the substitution method for solving a system of linear equations in three
variables, wha...
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