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Please help me do this

Please help me do this
asked 146k views
13 votes
Please help me do this

Please help me do this-example-1
asked
User Jamesxiang
by
7.6k points

1 Answer

11 votes
Sum of angles in a triangle is equal to 180
So you add the angle such that
13x+2+5x-7+3x-4=180
21x-9=180
21x=189
X=189/21
X=9
answered
User Fphelp
by
8.2k points
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