duchemin116011 duchemin116011

12-09-2018
Mathematics

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i need help doing this ! how do you do it?

i need help doing this how do you do it class=

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syahidah syahidah

12-09-2018

first u must find the x .. the straight line must be 180 . so u can find the x which is
13x-20+7x= 180(the straight line)

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