Change the comparative symbol to an equation, use the formula Ax+By= C then use 0,0 as your guide to shade the part of the graph
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First, you must know how to solve linear inequalities with symbols <, >, ≤ , ≥ .

Find the x- and y-intercepts of the given equation, and plot them.  
a.) To find the x-intercept, omit y in the equation then solve for x.  The x-intercept is at (x,0).
b.)  To find the y-intercept, omit x in the equation then solve for y.  The y-intercept is at (0,y).

If the symbol of inequality is < or >, connect the intercepts with broken lines.

If the symbol of inequality is ≤ or ≥, connect the intercepts with solid lines.

If there are two equations in the system with the same variables, the same procedure applies for each equation.

Please CLICK IMAGE BELOW to view an example with illustration.
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