Question

determine o valor de x​

Answer 1

4x + 3x + y = 180

7x + y = 180 => y = 180 - 7x

5x + y + v = 180°

5x + 180 - 7x + 180 - 8x = 180

-10x = - 180 (-1)

x = 180/10

x = 18° <= Resposta.

6x + 2x + v = 180`

8x + v = 180° => v = 180 - 8x