SOLUTION: I really need some one to explain how to do this question . The three angles of a triangle are 3x, x + 10, and 2x - 40. Find the size of the smallest angle in the triangle?

Question 450850: I really need some one to explain how to do this question .
The three angles of a triangle are 3x, x + 10, and 2x - 40. Find the size of the smallest angle in the triangle?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The angle must be positive, so
If , The other 2 angles will be greater than

Also the sum of the angles must be 180 degrees

This is the smallest
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