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# Systems Using Substitution

## Solve for one variable, substitute the value in the other equation

Levels are CK-12's student achievement levels.
Basic Students 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.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Solving Systems with One Solution Using Substitution

This lesson covers solving a system of linear equations using substitution.
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## Substitution Method for Systems of Equations

This concept explores solving systems of equations using the substitution method.
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