Three supplementary angles are ∠KLM=x+30°, ∠MLN=60°, ∠NLP=2x°. What is an equation to solve for the unknown angle value? Write the equation in simplest terms.

1 answer

Equation: x + 30 + 60 + 2x = 180

Simplified equation: 3x + 90 = 180

3x = 90

x = 30