Question

Qual o valor de X e Y?

Answer 1

5x-15°=4x+5°

5x-4x=5°+15°

x=20°

5x-15°=

5(20°)-15°=

100°-15°=85°

85°+85°+y+y=360°

170°+2y=360°

2y=360°-170°

y=190°/2

y=95°