Question

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

Answer 1

$\displaystyle \frac{3}{4x+1} = \frac{2}{3x}\\\\3(3x)=2(4x+1)\\9x=8x+2\\9x-8x=2\\x=2$

Answer 2

Resposta:

Pelo Teorema de Tales pode-se escrever:

3/2 = (4x + 1) / 3x

3.3x = 2.(4x + 1)

9x = 8x + 2

9x - 8x = 2

   x = 2