BasicStudents matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient)Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
AdvancedStudents matched to this level are ready for material that requires superior performance and mastery.
In this video, learn how to solve systems of equations with three variables. The strategy is to use elimination to reduce the system to linear (two variables) and then use elimination or substitution to solve for one variable.
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