mear equation in two variables .
Find the value of x and find each angle of the given figure
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Using Linear Pair property:
(3x+20)° +(4x-36)°=180°
3x+20° +4x - 36° =180°
3x + 4x +20° - 36° =180°
7x - 16°=180°
7x = 180° +16°
7x= 196°
x = 196÷ 7
x=28°
Eaxh angle measurements =
3x+20°=3×28+20°= 104°
4x-36°=4×28-36=76°
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