(506+11x)÷(24+x)=16.5

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(506+11x)÷(24+x)=16.5
(506+11x)÷(24+x)=16.5

(506+11x)÷(24+x)=16.5
(506+11x)÷(24+x)=16.5
506+11X=396+16.5X
-5.5X=396-506
X=20