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The equation is \"\".

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Solve by algebraically.

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\"\"             (Subtract 6 from each side) \ \

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\"\"                            (Simplify) \ \

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\"\"                      (Divide each side by negative 2) \ \

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\"\"                                     (Divide: \"\")

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The solution is 3. \ \ \"\"

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Solve by graphing.

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The equation is \"\".

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The related function is \"\".

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To graph the function make a table \ \

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Draw a table \ \

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
        x f(x) = \"\"2x +6 \ \ \

         f(x) \ \

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   (x, f(x)) \ \  
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1 \ \

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 \"\" \ \

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4 \ \

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    (1, 4)
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2 \ \

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 \"\"

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2 \ \

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    (2, 2)
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\"\"

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Use these ordered pairs to graph the equation.

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1.      Draw a coordinate plane.

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2.      Plot the points.

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3.      Draw a line through these points.

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\"The

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The graph intersects the x-axis at 3, hence the solution is 3.

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\"\"

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The root of the equation \"\"  is 3.

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