Question

if two supplementary angles are (2x - 9) and ( x + 6) , find the angles
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Answer 1

x = 61 degree

So 2 angles is 113 and 67

Step-by-step explanation:

If they are supplementary they can be sum to 180

Therefore,

2x - 9 + x + 6 = 180

3x - 3 = 180

3(x-1) = 180

x-1 = 180/3

x-1 = 60

x = 60+1

X = 61

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