fdnisyou fdnisyou

13-06-2016
Mathematics

contestada

Can someone do this for me, show all the steps pls, Thank you

Can someone do this for me show all the steps pls Thank you class=

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jhonyy9 jhonyy9

15-06-2016

so we know that the sum of angle of a triangle is equal 180 degree

than there are 10x-1 +35 +15x+4 = 180

10x +15x = 180 -38

25x = 142

x = 142/25

x = 5,68

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