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5. Systems of equations
A system of equations is a set of one or more equations involving a number of variables. The solutions to systems of equations are the variable mappings such that all component equations are satisfied—in other words, the locations at which all of these equations intersect.
Systems of equations intro: Systems of equations
Elimination method for systems of equations: Systems of equations
Substitution method for systems of equations: Systems of equations
Number of solutions to systems of equations
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