Question

Na figura, sendo a//b//c, o valor de x é:
​

Answer 1

x - 2 = 2x - 4

6 5

5 (x - 2) = 6 (2x - 4)

5x - 10 = 12x - 24

5x - 12x = - 24 + 10

(- 1) - 7x = - 14 (- 1)

7x = 14

x = 14/7

x = 2

Letra a) 2