22-08-2017
Mathematics

contestada

AC = 31 AB=2x-2 BC = x+6
Find x

Respuesta :

kphung76127 kphung76127

22-08-2017

AB and BC add to AC

(2x-2)+(x+6)=31

Combine like terms
3x+4=31

Subtract by 4
3x=27

Divide both sides by 3
x=9

Final answer: x=9

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