SOLUTION: I have been struggling on this word problem and I was wondering if someone could help me? Please and Thank You!! I would deeply appreciate it!! Problem Solving: Using Systems F

Question 159665This question is from textbook Algebra and Trigonometry Structure and Method book 2
: I have been struggling on this word problem and I was wondering if someone could help me? Please and Thank You!! I would deeply appreciate it!!
Problem Solving: Using Systems
Find the measures of the angles of an isosceles triangle if the measure of the vertex angle is 40 degrees less than the sum of the measures of the base angles. This question is from textbook Algebra and Trigonometry Structure and Method book 2

Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
X+X+(X-40)=180
3X=180+40
3X=220
X=220/3
X=73.33 DEGREES FOR THE BASE ANGLES.
73.33-40=33.33 FOR THE VERTEX ANGLE.
PROOF:
73.33+73.33+33.33=180
180=180
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