Equation: x + 30 + 60 + 2x = 180
Simplified equation: 3x + 90 = 180
3x = 90
x = 30
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