Question

5 (2 + x ) = 2x + 31

Answer 1

¡Hola!

$5 (2 + x ) = 2x + 31 10 + 5x = 2x + 31 5x - 2x = 31 - 10 3x = 21 (simplificando) x = 21/3 x = 7$

Answer 2

$5 (2 + X ) = 2X + 31 \\ \\ 10+5X=2X+31 \\ \\ 5X-2X=31-10 \\ \\ 3X=21 \\ \\ X= \dfrac{21}{3} \\ \\ \boxed{X=\bf 7}\to Respuesta$

Comprobamos

$5 (2 + 7) = 2(7) + 31 \\ \\ 5(9)=14+31 \\ \\ \boxed{\boxed{\bf 45=45}}\quad\checkmark\checkmark Es\ Correcto\ !! \\ \\ Saludos\ Desde\ Venezuela$