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Mathematics 9 Online
OpenStudy (anonymous):

find the value of x

OpenStudy (anonymous):

OpenStudy (anonymous):

the answer is 26 but how?

OpenStudy (anonymous):

180 = angle1 + angle2 + angle3

OpenStudy (anonymous):

well you know that a line has 180 degree so 3x+2+2x+5+2x-9 = 180 --- combine like terms 7x -2= 180 -- add 2 to both sides 7x = 183 -- divide both side by 7 x = 26

OpenStudy (anonymous):

7x+182* miss typed xD

OpenStudy (anonymous):

OpenStudy (anonymous):

thnx

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