Question

la respuesta 5x -5(2x+1)=-3(4x+5)

Answer 1

"5x -5(2x+1)=-3(4x+5)"

Respuesta:

$5x-5\left(2x+1\right)=-3\left(4x+5\right)\quad :\quad x=-\frac{10}{7}\quad \left(\mathrm{Decimal}:\quad x=-1.42857\dots \right)$

$Pasos\\ 5x-5\left(2x+1\right)=-3\left(4x+5\right) \\\\\mathrm{Expandir}\:-5\left(2x+1\right):\quad -10x-5\\\\5x-10x-5=-3\left(4x+5\right)\\\\\mathrm{Desarrollar\:}-3\left(4x+5\right):\quad -12x-15\\\\-5x-5=-12x-15\\\\\mathrm{Simplificar}\\\\7x=-10\\\\x=-\frac{10}{7}$

Espero te sirva :"3.