sandovalcris62p0246t sandovalcris62p0246t

14-12-2017
Mathematics

contestada

Can anyone help me with this ?

Can anyone help me with this class=

Respuesta :

oliweczka2107 oliweczka2107

23-12-2017

answer: 160

3x+2=5x-10

2x=12

x=6

*now substitute*

5 (6)-10= 20°

180°-20°=160° (remember angles on a straight line add up to 160)

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