Question

3) 1 -(MACK-SP) - Na figura, sendo a // b //c, o valor de x é:
B
4x+1)
3
2
3х
a) 3/2
b) 2
c) 4/3​

Answer 1

R: b) 2

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