Question

what is the measure of the supplement of an angle with a measure of (12-3x)°

Answer 1

Answer:

y = 168 +3x

Step-by-step explanation:

let the supplement be y

therfore,

12-3x + y = 180. ( since they are supplementary)

=> y = 180-12+3x

=> y = 168 +3x

Hope it helps you

Answer 2

Answer:

56°

Step-by-step explanation:

12-3x=180°

3x=180-12

3x=168°

x=168/3

56°