if angle AOC and BOC form a linear pair if a minus b is equal to 80 find the value of a and b
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Let a = x
And let b = 2x
a - b + 80 = 180 (linear pair)
x - 2x + 80 = 180
x + 80 = 180
x = 180-80 = 100
a = x = 100
b = 2x = 2×100 = 200
(a-b) = 100
And let b = 2x
a - b + 80 = 180 (linear pair)
x - 2x + 80 = 180
x + 80 = 180
x = 180-80 = 100
a = x = 100
b = 2x = 2×100 = 200
(a-b) = 100
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