The supplementary angles measure (2x + 10) and (x + 20) degrees. What is the value of x?
The supplementary angles measure (2x + 10) and (x + 20) degrees. What is the value of x?
Explanation
Supplementary angles sum to 180 degrees:
(2x + 10) + (x + 20) = 180
Combine like terms:
3x + 30 = 180
Subtract 30:
3x = 150
Divide by 3:
x = 50