Answer :

eu99li

4x+6+3=17
4x+9=17      /-9

4x=8        /:4

x=2
[tex]4x+6+3=17\\\\4x+9=17\ \ \ \ |subtract\ 9\ from\ both\ sides\\\\4x=8\ \ \ \ |divide\ both\ sides\ by\ 4\\\\\boxed{\boxed{x=2}}[/tex]

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