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6, 5, 4, or 3?

Guest Nov 28, 2017
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 #1
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5x - 17  =  -x + 7

 

Add  x  to both sides of the equation.

 

6x - 17  =  7

 

Add  17  to both sides of the equation.

 

6x  =  24

 

Divide both sides by  6 .

 

x  =  4

 

Check:  does   5(4) - 17  =  -4 + 7   ?

                                   3   =   3          Yep!

hectictar  Nov 28, 2017

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