Question

nas figuras, a// b// c, calcule o valor de X

Answer 1

 8  =    12
2x-6    x+1
8(x+1) = 12(2x-6)
8x + 8 = 24x - 72
8x - 24x = - 72 - 8
- 16x = - 80 .(-1)
16x = 80
x = 80 : 16
x = 5