Question

Angle A and Angle B are supplementary . Suppose that Angle A = 60 degrees and Angle B = (2x+20 degrees) , then what is the value of x ​

Answer 1

Answer:

50

Step-by-step explanation:

m(Angle A) + m(Angle B) =180 ...(Supplementary Angles)

60 + 2x + 20 = 180

2x + 80 =180

2x = 100

x = 100/2

x = 50

Answer 2

Answer:

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Step-by-step explanation:

angle A + angle B = 180

60+(2x+20)=180

2x+20=180-60

2x+20=120

2x=120-20

2x=100

x=100/2

x=50