A linear equation corresponds to a line, and a linear inequality corresponds to a region bounded by a line.
Consider the equation y = x-5.
This could be graphed as a line going through (0,-5), (1,-4), (2,-3), and so on. The inequality y > x-5 would be the region above that line.
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There are many simple questions in everyday life that can be modelled by linear equations and solved using linear programming.
Solving linear systems means to solve linear equations and inequalities. Then to graph it and describing it by statical statements.
Inequalities have greater than, less than, greater than or equal to, or less than or equal to signs. Equations have an equal sign.
A linear equation represents a line. A linear inequality represents part of the space on one side (or the other) of the line defined by the corresponding equation.
A system of linear inequalities