three angles have measures that add to 180°180° . They have the following angle measures: m∠ABC=(x−6)° , m∠CBD=(4x−14)° , and m∠DBE=5x° . What is the equation to solve for x ?(1 point)Responses10x°+20°=180°10 x plus 20 equals 1809x°−20°=180°9 x minus 20 equals 18010x°−20°=180°10 x minus 20 equals 180x°−20°=180°x minus 20 equals 180 pick one