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{{ printedBook.courseTrack.name }} {{ printedBook.name }} A **system of equations** is a set of two or more equations that are solved simultaneously. Systems of equations are usually written as a vertical list with a curly brace on the left-hand side.
${2x−3y=13x+y=7 $
Solutions to systems of equations are given by the coordinates that make all equations true simultaneously. Graphically, solutions to systems are points where the graphs of the equations intersect, written as $(x,y)$ points.

Systems can contain many different types of equations. Some examples include linear systems, linear-quadratic systems, and quadratic systems, among many others. Systems of equations can be solved graphically or algebraically.