the measures of two supplementary angles are 2 X + 10 degree and 3 X + 5 degree find the value of x
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sum of two supplementary angles = 180⁰
2 X + 10⁰ + 3 X + 5⁰ = 180⁰
5X + 15 = 180
5X =180 - 15
5X = 165
X = 165/5
X = 33⁰
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