Question

caucule o valor de x​

Answer 1

Aplicamos o Teorema de Tales para resolver:

$\frac{2x-1}{3x+1} =\frac{4}{7}$

$7(2x-1)=4(3x+1)$

$14x-7=12x+4$

$14x-12x=4+7$

$2x=11$

$x=\frac{11}{2}$