please answer the 9th question
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2(l+b)=56
2(x+2x-8)=56
(x+2x-8)=56/2=28
3x-8=28
3x=28+8=36
36/3=12
b=12 then l=16
2(x+2x-8)=56
(x+2x-8)=56/2=28
3x-8=28
3x=28+8=36
36/3=12
b=12 then l=16
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