Question

Sendo r e s paralelas, determine o valor de x na figura:

Answer 1

Resposta:

$2x+12=\dfrac{x}{3}+37 \to alternos~~internos\\ \\ mmc=3\\ \\ \\ 6x+36=x+111\\ \\ 6x-x=111-36\\ \\ 5x=75\\ \\ x=\dfrac{75}{5}\\ \\\boxed{ x=15}$