06-11-2019
Mathematics

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PLEASE HELP MEEEE THANKS

PLEASE HELP MEEEE THANKS class=

Respuesta :

zewdalemezana zewdalemezana

06-11-2019

Answer:

12,8,12

Step-by-step explanation:

(x+3)+x+(2x-4)=31

4x-1=31

4x=31+1

4x=32

×=8(the second side)

x+3=8+3=12(the first side)

2x-4=16-4=12(the third side)

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