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2x + 3x + 150 = 180
5x + 150 = 180
5x = 30
x = 6
P = 2(6) = 12°
Q = 3(6) = 18°
180 = 2x + 3x + 150
180 = 5x + 150
180-150 = 5x
30 = 5x
6 = x
a) P = 2x = 2 x 6 = 12 derajat
b) Q = 3x = 3 x 6 = 18 derajat