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According to the question,
2y -10 = z
and,
z - y = 20
or, z = 20 + y
putting z = 20 + y, in the 1st Equation,
2y - 10 = 20 + y
or, y = 30
z = 20 + 30 = 50
let the unknown angle be m.
50 + 30 + m = 180
or, 80 + m = 180
or, m = 100
100 + 5t = 180
or, 5t = 80
or, t = 16
100 + 4x = 180
or, 4x = 80
or, x = 20
so, t + x = 20 + 16 = 36
Answer is 36 (2)
2y -10 = z
and,
z - y = 20
or, z = 20 + y
putting z = 20 + y, in the 1st Equation,
2y - 10 = 20 + y
or, y = 30
z = 20 + 30 = 50
let the unknown angle be m.
50 + 30 + m = 180
or, 80 + m = 180
or, m = 100
100 + 5t = 180
or, 5t = 80
or, t = 16
100 + 4x = 180
or, 4x = 80
or, x = 20
so, t + x = 20 + 16 = 36
Answer is 36 (2)
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