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The sum of the angle measures of any triangle is 180 degrees. Suppose that one angle in a triangle has a degree measure of 2x+3 and another has a degree measure of 5x+1. Write an expression for the degree
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The sum of the angle measures of any triangle is

180 degrees. Suppose that one angle in a triangle has a degree measure of 2x+3
and another has a degree measure of 5x+1. Write an expression for the degree measure of the third angle in the triangle.

User Claudiopb
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1 Answer

5 votes
let's say that y is the unknown
180=2x+3+5x+1+y
180=7x+4+y
180-7x-4=y
176-7x=y=third angle
User Chief
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