how to solve this equation 2(3x=4) -(x-3)=9

how to solve this equation 2(3x+4) -(x-3)=9
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2(3x+4) -(x-3)=9

6x +8 -x +3 =9

(6x-x) =9 -8 -3

5x=9-11=-2

x=-2/5=-0.4
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