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OpenStudy (anonymous):
The sum of the angle measures of any triangle is 180 degrees. Suppose that one angle in a triangle has a degree measure of 7x-2 and another has a degree measure of 5x+9 . Write an expression for the degree measure of the third angle in the triangle.
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OpenStudy (mertsj):
Let y = third angle. 7x-2+5x+9+y=180
OpenStudy (mertsj):
Solve for y
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