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23-01-2016
Mathematics

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Please help me with this math question if you can.

Please help me with this math question if you can class=

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DarkBlue DarkBlue

23-01-2016

P(1)=2l+2L=2x+2(x+5)=2x+2x+10=4x+10
P(2)=l(1)+l(2)+l(3)=x+7+x+4+x+11=3x+22
P(1)=P(2) => 4x+10=3x+22 =>4x-3x=22-10 => x=12
x=12 => P(1)=4*12+10=48+10=58
P(2)=3*12+22=36+22=58
Hope that helps! :)

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