Respuesta :

MohamedSharif
DP=3x+2
PE+5x-6
DE+???
3x+2=5x-6(collect the like terms 
2+6=5x-3x
8=2x(divide both sides by 2
x=4(now replace the X with 4
DP=3x+2=3(4)+2
=12+2=14
PE+5x-6=5(4)-6
=20-6=14
answer:DE=14+14=28 answer=28

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