Question

caucule o valor de x usando o teorema de tales:se um feixe de paralela termina sobre duas transversais regmentos proporcionais

Answer 1

$\frac{2x-2}{2}=\frac{2x+6}{3}\\\\Multiplicando\;cruzado\\\\2.(2x+6)=3.(2x-2)\\\\4x+12=6x-6\\\\6x-4x=12+6\\\\2x=18\\\\x=\frac{18}{2}\\\\x=9$